Kam Pui Tang

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Yuen Long, HK

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Patents Grantslast 30 patents

Information Patent Grant
Degradable container and a method of forming same
- Patent number 6,410,108
- Issue date Jun 25, 2002
- CS Environmental Technology Ltd. Hong Kong
- Qiang Liu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Degradable container and a method of forming same
- Patent number 6,074,587
- Issue date Jun 13, 2000
- CS Enviromental Technology Ltd.
- Qiang Liu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...