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Tianjin, CN
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last 30 patents
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Patent number
11,353,049
Issue date
Jun 7, 2022
Fulian Precision Electronics (Tianjin) Co., LTD.
Chang-You Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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20200284281
Publication date
Sep 10, 2020
HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO.,LTD.
CHANG-YOU ZHANG
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...