Kyokuto Rubber Co., Ltd.

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger washing apparatus and heat exchanger washing method
- Patent number 5,926,892
- Issue date Jul 27, 1999
- Kyokuto Rubber Co., Ltd.
- Koji Fukuhara
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Hollow member cleaning device
- Patent number 5,640,734
- Issue date Jun 24, 1997
- Kyokuto Rubber Co., Ltd.
- Kinuji Kuwashima
- B08 - CLEANING

Patents Applicationslast 30 patents

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