DIFF Subgroup
G01N 33/22 Fuels; Explosives
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Investigating or analysing materials by specific methods not covered by groups > Fuels; Explosives
CPC:
Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 > Fuels; Explosives
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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