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Austenitic stainless steel valve
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Patent number 6,047,726
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Issue date Apr 11, 2000
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Aska Corporation
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Noritsugu Kaneshige
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Filter device
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Patent number 5,536,399
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Issue date Jul 16, 1996
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Aska Corporation
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Noritsugu Kaneshige
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Filter housing
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Patent number 5,211,845
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Issue date May 18, 1993
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Aska Corporation
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Noritsugu Kaneshige
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL