Leung Chun Fai

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Cheung Sha Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 8,506,158
- Issue date Aug 13, 2013
- P.S.L. Limited
- Paul So Wing Keung
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20120087216
- Publication date Apr 12, 2012
- P.S.L. LIMITED
- Paul So Wing Keung
- G04 - HOROLOGY