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Hsing Chu Hsien, TW
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last 30 patents
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Patent Grant
Electromagnetic permeable-shell-free diaphragm valve
Patent number
4,852,854
Issue date
Aug 1, 1989
Industrial Technology Research Institute
Yu-Yin Peng
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Automatic ink-jet marking system
Patent number
4,769,650
Issue date
Sep 6, 1988
Industrial Technology Research Institute
Yu-Yin Peng
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS