
ALUMINIUM AND ALUMINIUM ALLOYS - COLD DRAWN ROD/BAR AND TUBE - PART 1: TECHNICAL CONDITIONS FOR INSPECTION AND DELIVERY
出版:Comite Europeen de Normalisation

專家解讀視頻
ALUMINIUM AND ALUMINIUM ALLOYS - COLD DRAWN ROD/BAR AND TUBE - PART 1: TECHNICAL CONDITIONS FOR INSPECTION AND DELIVERY
出版:Comite Europeen de Normalisation
專家解讀視頻