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Electrolysis cell seal means
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Patent number 4,721,555
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Issue date Jan 26, 1988
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The Dow Chemical Company
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Sandor Grosshandler
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Fabricated electrochemical cell
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Patent number 4,673,479
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Issue date Jun 16, 1987
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The Dow Chemical Company
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Gregory J. E. Morris
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Joint for pipe
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Patent number 4,613,163
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Issue date Sep 23, 1986
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The Dow Chemical Company
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Sandor Grosshandler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cartridge filter
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Patent number 4,059,528
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Issue date Nov 22, 1977
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The Dow Chemical Company
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Sandor Grosshandler
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL