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Jurgen Erdmann
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Waldkirch-Buchholz, DE
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Patent Grant
Method for producing a switching signal on the passage of a contras...
Patent number
4,142,105
Issue date
Feb 27, 1979
Erwin Sick Gesellschaft mit beschrankter Haftung Optik-Elektronik
Jurgen Erdmann
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL