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Sigekazu Yamazaki
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Sendai, JP
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Diaphragm-type flow control valve and manual control valve apparatus
Patent number
5,551,477
Issue date
Sep 3, 1996
Kabushiki-Kaisha Motoyama Seisakusho
Yohichi Kanno
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...