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Willi Studer A.G. Fabric fur elektronische Apparate
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Regensdorf, CH
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Patents Grants
last 30 patents
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Patent Grant
Signal transducer
Patent number
4,720,665
Issue date
Jan 19, 1988
Willi Studer A.G. Fabric fur elektronische Apparate
Paul Zwicky
H04 - ELECTRIC COMMUNICATION TECHNIQUE