Shinya Nagata

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Chiryu-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Sound absorber and sound absorbing device
- Publication number 20060260870
- Publication date Nov 23, 2006
- NAGATA KOSAKUSHO CO., LTD.
- Tetsutaroh Nakagawa
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES