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PCE
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DIFF Subgroup
F04B 45/04

having plate-like flexible members, e.g. diaphragms (F04B45/10 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: having plate-like flexible members, e.g. diaphragms

CPC: having plate-like flexible members, e.g. diaphragms (F04B45/10 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids > having plate-like flexible members, e.g. diaphragms

CPC:

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids > having plate-like flexible members, e.g. diaphragms (F04B45/10 takes precedence)

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 1995.

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