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Pulse counting apparatus
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Patent number 5,603,330
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Issue date Feb 18, 1997
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Casio Computer Co., Ltd.
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Fusao Suga
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Time calculating device
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Patent number 5,301,154
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Issue date Apr 5, 1994
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Casio Computer Co., Ltd.
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Fusao Suga
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Electronic timepiece
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Patent number 4,891,776
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Issue date Jan 2, 1990
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Casio Computer Co., Ltd.
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Yasuo Kuroki
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G04 - HOROLOGY
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