Dieter Muhlhahn

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Langenfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Synthetic-resin compression spring
- Patent number 4,660,811
- Issue date Apr 28, 1987
- Ringfeder G.m.b.H.
- Dieter Muhlhahn
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...