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Oxygen gas manufacturing equipment
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Patent number 6,082,136
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Issue date Jul 4, 2000
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Daido Hoxan Inc.
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Akira Yoshino
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Air separation plant
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Patent number 6,058,736
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Issue date May 9, 2000
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The BOC Group plc
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Brian Anthony Keenan
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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S cycle electric power system
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Patent number 5,664,411
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Issue date Sep 9, 1997
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Yulin Shao
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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S cycle electric power system
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Patent number 5,572,861
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Issue date Nov 12, 1996
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Yulin Shao
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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