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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A62B 23/06

Nose filters

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Filters for breathing-protection purposes > Nose filters

CPC:

Filters for breathing-protection purposes (gas-filters in general B01D) > Nose filters

No child classifications to compare. This is a leaf node in both IPC and CPC.