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Joerg Klann
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Laaber, DE
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last 30 patents
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Patent Grant
Method for producing an optocoupler
Patent number
4,857,746
Issue date
Aug 15, 1989
Siemens Aktiengesellschaft
Werner Kuhlmann
G01 - MEASURING TESTING
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Patent Grant
High voltage stable optical coupler
Patent number
4,284,898
Issue date
Aug 18, 1981
Siemens Aktiengesellschaft
Gerfried Felkel
H01 - BASIC ELECTRIC ELEMENTS