Leong Ky

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Petaling Jaya, MY

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Patents Applicationslast 30 patents

Information Patent Application
High Capacity Air Admittance Valve for Sanitary Waste Pipe System
- Publication number 20120025123
- Publication date Feb 2, 2012
- STUDOR S.A.
- Kurt Sture Birger Ericson
- E03 - WATER SUPPLY SEWERAGE