Dnepropetrovsky Metallurgichesky Institut

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Dnepropetrovsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Working mandrel and method of rolling elongate hollow pieces in a m...
- Patent number 4,487,049
- Issue date Dec 11, 1984
- Dnepropetrovsky Metallurgichesky Institut
- Valentin N. Danchenko
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...