Gerhard Broder

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Dusseldorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method of heat forming of workpieces
- Patent number 4,094,048
- Issue date Jun 13, 1978
- Franz Berrenberg
- Gerhard Broder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Friction disc spindle press
- Patent number 3,955,493
- Issue date May 11, 1976
- Berrenberg; Franz
- Harald Hany
- B30 - PRESSES