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Thermotherapy apparatus
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Patent number 4,872,458
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Issue date Oct 10, 1989
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Olympus Optical Co., Ltd.
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Katsuyuki Kanehira
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Electronic endoscope apparatus
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Patent number 4,869,237
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Issue date Sep 26, 1989
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Olympus Optical Co., Ltd.
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Teruo Eino
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Endoscope system
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Patent number 4,590,924
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Issue date May 27, 1986
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Olympus Optical Co., Ltd.
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Kouji Tanikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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