DIFF Subgroup
E21D 15/46 with load-measuring devices; with alarm devices
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Props; Chocks > Telescopic props > with load-measuring devices; with alarm devices
CPC:
Props (in the building art E04G25/00); Chocks > Telescopic props (general means for fixing telescopic parts together ) > with load-measuring devices; with alarm devices
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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