DIFF Subgroup
A62B 23/02 for respirators
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Filters for breathing-protection purposes > for respirators
CPC:
Filters for breathing-protection purposes (gas-filters in general B01D) > for respirators
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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