DIFF Subgroup
G21C 13/08 Vessels characterised by the material; Selection of materials for pressure vessels
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Pressure vessels; Containment vessels; Containment in general > Vessels characterised by the material; Selection of materials for pressure vessels
CPC:
Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J3/00; pressure vessels in general F16J12/00) > Vessels characterised by the material; Selection of materials for pressure vessels
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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