Wen-Ping Wang

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Kaohsiung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Modular construction unit
- Patent number 4,939,880
- Issue date Jul 10, 1990
- Wen-Ping Wang
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS