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Horst Schafer
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Hannoversch Munden, DE
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last 30 patents
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Patent Grant
Method of manufacturing a polycrystalline semiconductor resistance...
Patent number
5,164,338
Issue date
Nov 17, 1992
U.S. Philips Corporation
Volker Graeger
G01 - MEASURING TESTING
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Patent Grant
Silicon pressure sensor having a resistance layer of polycrystallin...
Patent number
4,984,046
Issue date
Jan 8, 1991
U.S. Philips Corporation
Volker Graeger
G01 - MEASURING TESTING