Isao Kawanami

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Nobeoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ball valve
- Patent number 4,540,157
- Issue date Sep 10, 1985
- Asahi Yukizai Kogyo Co., Ltd.
- Isao Kawanami
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...