FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
F27B
Note(s)
Attention is drawn to the references and Notes following the title of class Fulltext... Hierarchy... Expanded...F27 and the Note III following the Contents of Section of section H.
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE (combustion apparatus per seFulltext... Hierarchy... Expanded...F23)
F27D
Note(s)
Attention is drawn to the references and Notes following the title of class Fulltext... Hierarchy... Expanded...F27 and Note III following the Contents of Section of section H.