DIFF Main Group
B04C 9/00 Combinations with other devices, e.g. fans, (with filters B01D50/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Combinations with other devices, e.g. fans
CPC: Combinations with other devices, e.g. fans, (with filters B01D50/00)
Full Title
Full titles differ between systems:
IPC:
Combinations with other devices, e.g. fans
CPC:
Combinations with other devices, e.g. fans, (with filters B01D50/00)
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Note: 6 CPC extensions are marked as secondary classification only.
Child Classifications
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