MICRO-TECH DEVELOPMENT LIMITED

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Hong Kong, HK

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Patents Applicationslast 30 patents

Information Patent Application
DRAINAGE TRAPPING CARTRIDGE AND A DRAINAGE TRAPPING DEVICE FOR PREV...
- Publication number 20110023228
- Publication date Feb 3, 2011
- MICRO-TECH DEVELOPMENT LIMITED
- Yiu Kwok Tong
- E03 - WATER SUPPLY SEWERAGE