Worldwide Strategy Holding Limited

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
High-performance friction stir welding tools
- Patent number 7,857,188
- Issue date Dec 28, 2010
- Worldwide Strategy Holding Limited
- Shaiw-Rong Scott Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-performance hardmetal materials
- Patent number 7,645,315
- Issue date Jan 12, 2010
- Worldwide Strategy Holdings Limited
- Shaiw-Rong Scott Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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