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Wolfgang Kohlweiler
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Frankfurt, DE
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last 30 patents
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Patent Grant
Soldering paste for hard-soldering and coating aluminum and aluminu...
Patent number
6,656,290
Issue date
Dec 2, 2003
Degussa Aktiengesellschaft
Jürgen Koch
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Flux for brazing difficult to wet metallic materials
Patent number
6,613,159
Issue date
Sep 2, 2003
Degussa-Huls Aktingesellschaft
Jürgen Koch
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR