ANTHRACENE dyes

esters and ester salts of leuco-compounds of ANTHRACENE dyes

ANTHRANILIC acid

ANTHRAQUINONE dyes

ANTI-BALLOONING devices in spinning or twisting machines

ANTI-BALLOONING devices in winding apparatus

ANTIBIOTIC(S) of unknown constitution

ANTIBIOTIC(S) preparations

extracting ANTIBIOTIC(S) from plants

microbiological production of ANTIBIOTIC(S)

monoclonal ANTIBODIES

ANTI-COLLISION systems

ANTI-CORROSION in general

ANTI-CORROSION compositions

ANTI-CORROSION paints

ANTI-DAZZLE arrangements on roads

ANTI-DAZZLE screens in lighting devices

ANTI-FOGGING materials

ANTI-FOULING compositions for preventing incrustation

ANTI-FOULING paints

methods for preventing fouling

mechanical methods for preventing fouling in hull protection

making low-friction plastics

ANTI-FRICTION materials for bearings

ANTI-FRICTION surface treatments

ANTI-HUNTING control arrangements

ANTI-ICING materials

ANTI-JAMMING in radar systems

ANTI-MISTING materials

inorganic compounds of ANTIMONY

organic compounds of ANTIMONY

organic compounds of ANTIMONY as additives for plastics

ANTI-OXIDANT materials

ANTIPULSATORS in valves

imitations of ANTIQUE surfaces

ANTI-RATTLING devices for doors or windows

ANTI-SLIP materials

ANTI-STATIC materials

ANTITHROMBOGENIC treatment of surgical articles

ANVILS for ore stamping

scythe ANVILS

smiths' ANVILS

peep-holes and speaking APERTURES in doors or windows

APPARATUS for particular purposes see catchwords for the purposes concerned

chemical, physico-chemical or physical APPARATUS

laboratory APPARATUS

APPLICATORS for floor or like polishing or cleaning materials

APPLICATORS for liquid toilet or cosmetic substances

APPLICATORS for medical use

APPLICATORS for shoe cleaning materials

brushes with APPLICATORS

APPORTIONING by weight

[= wearing apparel]

testing mental APTITUDE

AQUA-SOLS of silica gel

AQUATIC games

bridges as supports for AQUEDUCTS

ARBITRARY-FUNCTION generators

ARBORS for securing circular cutters

ARC(S) extinguishing in electric spark-gaps

ARC(S) extinguishing in electric switches or circuit breakers

arcing-horns

electric switches provided with arcing-horns

electric ARC(S) lamps

regulating electric characteristics of ARC(S)

preventing arcing in electric current collectors

ARCHERY bows

ARCHERY targets; ARCHERY scoring

ARCHES as building structures

ARCHES -type bridges

building elements for ARCHES

estimating AREAS see COMPUTING

measuring AREAS

athletic or sporting ARENAS

building aspects of ARENAS

equipment for ARENAS

ARM(S) -chairs

ARM(S) -holes of garments

ARM(S) -rests for beds

ARM(S) -rests for chairs

ARM(S) -rest tables

ARM(S) supports for use in teaching writing, drawing or painting

artificial ARM(S) [= prostheses]

protective garments for ARM(S)

supports for attachment to ARM(S) for facilitating writing or drawing

wall ARM(S) for shelves

ARMATURES for electric machines

ARMATURES for magnets

ARMATURES for relays

ARMING of ammunition

ARMOUR for boots and shoes

ARMOUR for military use

ARMOURING for electric cables

removing ARMOURING from electric cables

AROMATIZING air

ARRAYS of aerials

electric spark-gap ARRESTERS

electric spark-gap ARRESTERS of powdered electric resistive or semi-conductor material

ARRESTING MECHANISMS in measuring-instruments in general

ARRESTING MECHANISMS in weighing-apparatus

ARROWS as weapons

inorganic compounds of ARSENIC

organic compounds containing ARSENIC

counting of ARTICLES

delivery of ARTICLES by vending machines

dental ARTICULATORS

ARTIFICIAL body parts in general

ARTIFICIAL hearts

ARTIFICIAL insemination of humans

ARTIFICIAL insemination of animals

ARTIFICIAL leather

ARTIFICIAL respiration

ARTIFICIAL teeth

manufacture of ARTIFICIAL filaments, threads, fibres, bristles or ribbons

moulding ARTIFICIAL stones

ARTIFICIAL INTELLIGENCE in general