Yonghui Gao

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Shanghai, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparently seamless lengthened bamboo section material and a method...
- Patent number 8,268,431
- Issue date Sep 18, 2012
- Shanghai Yunsheng Bamboo and Wood Product Co., Ltd.
- Yonghui Gao
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...