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Guhring; Gottlieb
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Ebingen, DE
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last 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
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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
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