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Bernhard Bersch
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Dortmund, DE
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last 30 patents
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Patent Grant
Electrode for resistance welding surface-treated sheets of steel an...
Patent number
5,021,627
Issue date
Jun 4, 1991
Hoesch Stahl AG
Bernhard Bersch
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Apparatus for laser beam welding the longitudinal edges of a can
Patent number
4,713,519
Issue date
Dec 15, 1987
Hoesch Aktiengesellschaft
Bernhard Bersch
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for directly enameling steel parts using a single enamel coa...
Patent number
4,707,385
Issue date
Nov 17, 1987
Miele & Cie. GmbH & Co.
Heinrich Warnke
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...