DIFF Subgroup
B29B 9/12 characterised by structure or composition
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Making granules > characterised by structure or composition
CPC:
Making granules (in general B01J; chemical aspects C08J3/12) > characterised by structure or composition
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
IPC defines codes here since 1985.
Child Classifications
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