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PCE
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DIFF Subgroup
E04G 25/08

with parts held relatively to each other by friction or gripping

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Shores or struts; Chocks > telescopic > with parts held relatively to each other by friction or gripping

CPC:

Shores or struts (specially designed for use in mines E21D15/00 ); Chocks > telescopic > with parts held relatively to each other by friction or gripping

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