Takenaka Road Construction Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paving material for absorbing electromagnetic wave and pavement str...
- Patent number 7,160,049
- Issue date Jan 9, 2007
- Takenaka Corporation
- Toshio Saito
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES