| http://www.w3.org/ns/prov#value | - A copolymer comprising repeating units derived from tetrafluoroethylene, a fluorovinyl ether of the formula: CH2 ═CHOCH2 (CF2)n X (I) wherein X is a halogen atom or a hydrogen atom and n is a number of 2 to 8 and a third monomer selected from the group consisting of vinylidene fluoride and ethylene in which the content of repeating units derived from the third monomer is from 1
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