BUILDING MACHINES DEVELOPING COMPANY OF THE MINISTRY OF NUCLEAR ENERGYINDUSTRY

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BEIJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Autocutting extrusion machine for producing prestressed concrete co...
- Patent number 4,718,838
- Issue date Jan 12, 1988
- Building Machines Developing Company of the Ministry of Nuclear Energy Industry
- Deguo Ren
- B28 - WORKING CEMENT, CLAY, OR STONE