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Cartridge and its extractor
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Patent number 4,738,379
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Issue date Apr 19, 1988
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Colpo Co., Ltd.
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Mitsuo Takasugi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Insulating apparatus
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Patent number 4,738,117
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Issue date Apr 19, 1988
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Colpo Co., Ltd.
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Mitsuo Takasugi
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Cartridge with plug opening mechanism
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Patent number 4,681,243
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Issue date Jul 21, 1987
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Colpo Co., Ltd.
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Mitsuo Takasugi
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL