| http://www.w3.org/ns/prov#value | - Next, the electrode plate as mentioned in the present invention may include metal plates conventionally used as electrodes such as copper, aluminum, brass, stainless steel, etc. as well as electroconductive fabrics or electroconductive elastomer sheets endowed with electroconductivity by such means as metal plating, coating, flame spray coating or incorporation of electroconductive filaments.
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