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Superconductor magnetic shield
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Patent number 5,258,573
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Issue date Nov 2, 1993
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Koatsu Gas Kogyo Co., Ltd.
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Takao Sugioka
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Static magnetic refrigerator
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Patent number 5,209,068
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Issue date May 11, 1993
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Koatsu Gas Kogyo Co., Ltd.
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Yoshiro Saji
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Magnetic refrigerator
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Patent number 5,156,003
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Issue date Oct 20, 1992
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Koatsu Gas Kogyo Co., Ltd.
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Saji Yoshiro
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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