DIFF Subgroup
E02D 1/02 before construction work
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Investigation of foundation soil > before construction work
CPC:
Investigation of foundation soil in situ (investigation involving boring or specially adapted to earth drilling E21B25/00, E21B49/00; investigating or analysing materials by determining their chemical or physical properties, in general G01N, e.g. sampling G01N1/00) > before construction work
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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