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Pao Ting Chen
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Dong Shr Hsiang, Chia Yi Hsien, TW
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last 30 patents
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Patent Grant
Vacuum indicator for a bottle
Patent number
5,803,282
Issue date
Sep 8, 1998
Pao Ting Chen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL