the advancing mechanisms being separate from the supporting construction

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CPC
E21D23/24

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D23/00Mine roof supports for step- by- step movement

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E21D23/24the advancing mechanisms being separate from the supporting construction

Industries

Patents Grantslast 30 patents

Information Patent Grant
Stepwise repeated destabilization and stabilization of highly colla...
- Patent number 9,359,725
- Issue date Jun 7, 2016
- Council of Scientific and Industrial Research
- Kanwar Singh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
STEPWISE REPEATED DESTABILIZATION AND STABILIZATION OF HIGHLY COLLA...
- Publication number 20150197895
- Publication date Jul 16, 2015
- Council of Scientific and Industrial Research
- Kanwar Singh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES