DELAY devices in fluid-pressure systems

DELAY lines in discharge tubes

DELAY networks or lines used in electronic circuits

mechanical DELAY lines

waveguide DELAY lines

DELIVERING by weight

DELIVERING merchandise for sale

DELIVERING of coins

DELIVERING of sheets from machines

DELIVERING of tickets

fluid delivery valves

DELIVERING liquids

household goods delivery boxes

DELUSTERING cigars

DEMAGNETISING of clocks

DEMODULATION of electric oscillations

DEMODULATION of electric pulses

DEMODULATION of light

DEMODULATION of phase-coherent energy waves using stimulated-emission devices

single side-band demodulators

DEMOLITION by blasting

DEMOLITION of buildings

DEMONSTRATING appliances

electric switches responsive to DENSITY

investigating DENSITY

chairs for DENTISTRY

operating tables for DENTISTRY

preparations for DENTISTRY

radiation diagnosis for DENTISTRY

DEODORISING of air

DEODORISING of closet seats

DEODORISING of gases from regeneration of paper pulping liquors

DEODORISING of lavatories

DEPARTURE indicators

DEPILATING in slaughtering

DEPOLARISING of electric cells

circuits for DEPOLARISING

partially DEPOLYMERISING addition polymers

DEPOSIT receptacles for food

DEPOSITING metal by electrilysis

vapour deposition of metals

DEPTH charges

laying of DEPTH charges

measuring DEPTH

DERAILING apparatus

preventing DERAILING of rail vehicles by means on the vehicles

DERRICKS for deep drilling

arrangements of DERRICKS on ship

DESALINATION equipment on vessels

DESALINATION of seawater

DESCALING of fish

DESCALING of metals by thermal stresses

DESCALING of metals chemically

DESCALING of metals electrolytically

DESCALING of metals in connection with rolling

DESENSITISERS in developing processes

DESIGNS of buildings

transferring DESIGNS on printing formes

benches or forms combined with DESK(S)

control DESK(S) for supervision of switchgear

DESK(S) for electric switchgear

furniture DESK(S)

school DESK(S)

DESPATCH cases

pneumatic DESPATCH systems

DE-STACKING of articles

DESTINATION indicators

DESTROYING animals by slaughter

DESTROYING pests or vegetation

DESTROYING of valuables stored in safe

DESULFURISING of metals

DE-SURFACING by flame

DETECTING hidden masses

DETECTING nuclear explosions

DETECTING radioactivity in general

discharge tubes operating as DETECTORS

electrolytic DETECTORS

semiconductor devices operating as DETECTORS

DETENT(S) devices for winches

DETENT(S) in mechanical counters

DETERGENT compositions

domestic DETERGENT holders

DETERMINING values of variables see catchwords for the variables

DETINNING chemically

DETINNING electrolytically

compositions for DETONATOR(S)

DETONATOR(S) fuses

DETONATOR(S) used in signalling

toy with DETONATOR(S)

warning DETONATOR(S) for railways

DEVELOPING in electrography or magnetography

DEVELOPING in photography

apparatus for DEVELOPING in photography

DEVELOPING -fixing of images

materials for DEVELOPING fixing

reducing DEVIATIONS from an undesired value see REGULATING

DEVOTIONAL articles

DE-WATERING in paper-making

DE-WATERING of cellulose pulp

DE-WATERING of hydrocarbon oils

DE-WATERING of solids in general

DE-WAXING of hydrocarbon oils

DEWAXING of hydrocarbon oils

DEWAXING of poultry

determining DEW-POINT

DEXTRAN compositions

preparing DEXTRAN by microbiological processes

DEXTRIN or derivatives thereof

DEXTRIN compositions

foods containing DEXTRIN

preparing DIACETYL by microbiological processes

DIAGNOSIS of persons

DIAGRAMS for educational purposes

mimic DIAGRAMS on electric switchgear control panels or desks

DIAGRIDS in nuclear reactors

DIALS on instruments in general

DIALS on measuring-instruments in general

DIALS on specific measuring instruments see catchwords for the instruments

electro DIALYSIS

measuring DIAMETERS

abrasive grinding or polishing of DIAMOND(S)

alloys containing

presses for synthesis of DIAMOND(S)

setting DIAMOND(S) on metal parts or tools

DIAPERS for babies

sanitary DIAPERS