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Music box toy
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Patent number 4,050,342
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Issue date Sep 27, 1977
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Kabushiki Kaisha Sankyo Seiki Seisakusho
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Ikuo Suzuki
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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-
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Magnetic sheet reader
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Patent number 4,040,108
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Issue date Aug 2, 1977
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Kabushiki Kaisha Sankyo Seiki Seisakusho
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Kazuhiko Nakata
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G06 - COMPUTING CALCULATING COUNTING
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Symbol indication drum
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Patent number 4,036,134
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Issue date Jul 19, 1977
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Kabushiki Kaisha Sankyo Seiki Seisakusho
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Takashi Funaki
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B44 - DECORATIVE ARTS
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Card cassette
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Patent number 3,959,623
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Issue date May 25, 1976
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Kabushiki Kaisha Sankyo Seiki Seisakusho
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Kunihiko Nakahara
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G06 - COMPUTING CALCULATING COUNTING