Metall-Invent S.A.

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Zug, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of and device for making rods, tubes and profiled articles
- Patent number 4,075,881
- Issue date Feb 28, 1978
- Metall-Invent S.A.
- Alfred Kreidler
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...