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n4freepatentsonline.
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isa:19889100
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By forming a hydrophobic sheet on the side of the cathode opposite the anode, the supply of gas to the reactive surface can be controlled to advantage.The negative electric supplier to the oxygen gas electrode is a metal such as carbon, nickel, stainless steel and titanium or alloy or oxide thereof preferably in a porous or sheet form.
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isa:19889100