DIFF Subgroup
B22F 9/20 starting from solid metal compounds
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor > using chemical processes > with reduction of metal compounds > starting from solid metal compounds
CPC:
Making metallic powder or suspensions thereof > using chemical processes > with reduction of metal compounds > starting from solid metal compounds
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
Navigate with arrow keys, Enter to open