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Cushion
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Patent number 4,944,992
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Issue date Jul 31, 1990
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NHK Spring Co., Ltd.
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Yasuo Yoneshige
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B68 - SADDLERY UPHOLSTERY
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Fiber-reinforced plastics leaf spring
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Patent number 4,530,490
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Issue date Jul 23, 1985
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NHK Spring Co., Ltd.
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Atsushi Misumi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Motion snubbing device
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Patent number 4,287,969
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Issue date Sep 8, 1981
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NHK Spring Co., Ltd.
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Atsushi Misumi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...