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DIFF Subgroup
G21C 13/04

Arrangements for expansion and contraction

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pressure vessels; Containment vessels; Containment in general > Details > Arrangements for expansion and contraction

CPC:

Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J3/00; pressure vessels in general F16J12/00) > Details > Arrangements for expansion and contraction

No child classifications to compare. This is a leaf node in both IPC and CPC.