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PCE
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Search for IPC and CPC classification codes or keywords
IPC
CPC
Diff
F
F05
F05C
F05C 2201/00
F05C 2201/02
F05C 2201/023
CPC
Subgroup
Additional Only
F05C 2201/023
Beryllium
Full Title
Metals > Light metals > Beryllium