DIFF Subgroup
E03B 5/04 arranged in wells
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Use of pumping plants or installations; Layouts thereof > arranged in wells
CPC:
Use of pumping plants or installations; Layouts thereof (pumps; pumping plants or installations per se F04) > arranged in wells
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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