IPC Subgroup
E04G 21/06 Compacting concrete, e.g. by application of vacuum before hardening
Introduced: September 1968
Last revised: January 2006
Full Title
Preparing, conveying, or working-up building materials or building elements; Other devices or measures for constructional work > Conveying or working-up concrete or similar masses able to be heaped or cast > Compacting concrete, e.g. by application of vacuum before hardening
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
1 direct subcode
Child Classifications
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- E04G 21/08 Internal vibrators