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Mattress for magnetic treatment
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Patent number 5,161,272
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Issue date Nov 10, 1992
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Japan Life Co., Ltd.
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Takayoshi Yamaguchi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Pad cover
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Patent number 4,969,223
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Issue date Nov 13, 1990
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Japan Life Co., Ltd.
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Tomoyoshi Yamaguchi
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Sleeping mattress
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Patent number 4,924,542
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Issue date May 15, 1990
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Japan Life Company, Ltd.
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Tomoyoshi Yamaguchi
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Lid knob of pressure cooker
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Patent number 4,586,455
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Issue date May 6, 1986
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Japan Life Co., Ltd.
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Yoshikazu Shibata
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Pillow
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Patent number 4,574,411
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Issue date Mar 11, 1986
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Japan Life Co. Ltd.
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Toshizo Yagi
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Lid knob of pressure cooker
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Patent number 4,548,156
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Issue date Oct 22, 1985
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Japan Life Co., Ltd.
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Yoshikazu Shibata
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Sleeping mattress
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Patent number 4,509,219
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Issue date Apr 9, 1985
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Japan Life Company Limited
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Toshizo Yagi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE