| http://www.w3.org/ns/prov#value | - conium atom or a hafnium atom, which are so-called metallocene catalyst systems. [0029] The known polymerization method is exemplified by a method in which ethylene and an ??-olefin are copolymerized in an inert organic solvent such as a hydrocarbon compound. [0030] The inorganic filler used in the present invention is not particularly restricted and is exemplified by talc, mica, wollastonite, cal
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