Sigge Johansson

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Ramnas, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of bending a link blank into a chain link and a bending mach...
- Patent number 4,209,978
- Issue date Jul 1, 1980
- Bulten-Kanthal AB
- Sigge Johansson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...