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Koyo Machinery Industries Co., Ltd.
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic screw
Patent number
6,111,491
Issue date
Aug 29, 2000
Koyo Machinery Industries Co., Ltd.
Akira Furuse
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...