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still for the cracking of polyethylene or polypropylene to monomer through the involvement of a krackningsgas of temperature such that the polymer is heated to 800 a 1050Ÿc during a uppehallstid of 10
still for the cracking of polyethylene or polypropylene to monomer through the involvement of a krackningsgas of temperature such that the polymer is heated to 800 a 1050Ÿc during a uppehallstid of 10
