Rudolf Hopp

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating device for roll spindles
- Patent number 3,945,466
- Issue date Mar 23, 1976
- G. Schwartz & Co.
- Bernhard Zodrow
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...