Akira Imagawa

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Ritto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for lining construction in sewer followed by simu...
- Patent number 7,186,060
- Issue date Mar 6, 2007
- Adachi Construction Industry Co. Ltd.
- Eiki Akimoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL