Hiromichi Hiranuma

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clamp for use with top entry ball valve
- Patent number 4,641,681
- Issue date Feb 10, 1987
- Nippon Ball Valve Co., Ltd.
- Morio Ikematsu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...