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Changhua Hsien, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Dual-wheel synchronous brake auxiliary device with energy-saving fu...
Patent number
9,090,308
Issue date
Jul 28, 2015
AP Machinery Corp.
Chih-Hsiang Chiang
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Dual-Wheel Synchronous Brake Auxiliary Device with Energy-Saving Fu...
Publication number
20140216861
Publication date
Aug 7, 2014
AP Machinery Corp.
Chih-Hsiang Chiang
B60 - VEHICLES IN GENERAL
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last 30 trademarks