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Seal disk for bearings
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Patent number 6,402,158
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Issue date Jun 11, 2002
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Nichia Precision Industry Co., Ltd.
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Toshiyuki Imazaike
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shield plate for bearing
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Patent number 5,433,533
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Issue date Jul 18, 1995
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Nichia Precision Industry Co., Ltd.
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Toshiyuki Imazaike
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Retainer for ball bearing
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Patent number 4,568,206
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Issue date Feb 4, 1986
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Nichia Seimitsu Kogyo Co., Ltd.
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Toshiyuki Imazaike
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...