Guhring; Gottlieb

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Ebingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for grinding the tip of a twist drill
- Patent number 4,642,942
- Issue date Feb 17, 1987
- Guhring; Gottlieb
- Knut Guhring
- B24 - GRINDING POLISHING
Information Patent Grant
Automatic machine tool
- Patent number 4,520,595
- Issue date Jun 4, 1985
- Guhring; Gottlieb
- Herbert Diener
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR