CPC Subgroup
E21D 15/02 Non-telescopic props
Full Title
Props (in the building art E04G25/00); Chocks > Non-telescopic props
2 direct subcodes
Child Classifications
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- E21D 15/04 with wooden prop parts joined by double conical connectors
- E21D 15/06 with parts joined by a lock, with or without slight axial adjustability