Kazuki Okabe

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Tokushima-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversible lining tube for repairing an existing pipeline
- Patent number 5,899,636
- Issue date May 4, 1999
- Tokyo Gas Co. Ltd.
- Shigeru Toyoda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL