Recta productio fistulae industrialis facere potest ferrum immaculatum et fistulas carbo carbonis, diametro 12.7mm-325mm, crassitudo 0.3mm-8mm.Producta maxime fistulae et fistulae in petroleum, petrochemical, constructione, in navi, in militari, in vi electrica, fodienda, carbone, machinatione fabricanda i...
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