Yu Hsun Hsuan

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Chong Ho City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Hand operated punching assembly
- Patent number 6,718,641
- Issue date Apr 13, 2004
- Yu Hsun Hsuan
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
Hand operated punching assembly
- Publication number 20020124420
- Publication date Sep 12, 2002
- Yu Hsun Hsuan
- B26 - HAND CUTTING TOOLS CUTTING SEVERING