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Societe Suisse pour 1'Industrie Horlogere Management Services S.A.
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Bienne, CH
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last 30 patents
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Patent Grant
Process for manufacturing piezoelectric resonators and resonators r...
Patent number
4,012,648
Issue date
Mar 15, 1977
Societe Suisse pour 1'Industrie Horlogere Management Services S.A.
Jean Engdahl
H03 - BASIC ELECTRONIC CIRCUITRY