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John Ka Ki Chan
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Kowloon, HK
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last 30 patents
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Patent Application
Light beam alignment system
Publication number
20070107573
Publication date
May 17, 2007
Eastway Fair Company Limited of Trident Chambers
Gerhard Josef Karl Weusthof
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Light beam alignment system
Publication number
20030140758
Publication date
Jul 31, 2003
One World Technologies Limited
Gerhard Josef Karl Weusthof
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR