DIFF Subgroup
E03B 7/07 Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Water main or service pipe systems > Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
CPC:
Water main or service pipe systems (pipes or tubes in general F16L) > Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
CPC subdivides this area 7x more granularly than IPC with 6 additional codes.
6 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E03B 7/08 Arrangement of draining devices, (draining devices in general F16K, F16L) IPC+CPC Available in IPC and CPC