SUN-AM R&D CO., LTD.

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Patents Grantslast 30 patents

Information Patent Grant
Vibration-resistant reinforced concrete watertight pipe and method...
- Patent number 8,622,093
- Issue date Jan 7, 2014
- Sun-Am R&D Co., Ltd.
- Jung Suk Lee
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
VIBRATION-RESISTANT REINFORCED CONCRETE WATERTIGHT PIPE AND METHOD...
- Publication number 20110108151
- Publication date May 12, 2011
- SUN-AM R&D CO., LTD.
- Jung Suk LEE
- B28 - WORKING CEMENT, CLAY, OR STONE

Trademarklast 30 trademarks