DIFF Subgroup
C06F 3/04 Chemical treatment before or after dipping, e.g. dyeing, impregnating
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Chemical features in the manufacture of matches > Wooden strip for matches or substitute therefor > Chemical treatment before or after dipping, e.g. dyeing, impregnating
CPC:
Chemical features in the manufacture of matches (ignition compositions C06B) > Wooden strip for matches or substitute therefor > Chemical treatment before or after dipping, e.g. dyeing, impregnating
No child classifications to compare. This is a leaf node in both IPC and CPC.