
AEROSPACE SERIES - STEEL FE-PA3901 (X2CRNI19-11) - SOFTENED - FORGINGS - D[E] <= 100 MM
出版:Comite Europeen de Normalisation

專家解讀視頻
AEROSPACE SERIES - STEEL FE-PA3901 (X2CRNI19-11) - SOFTENED - FORGINGS - D[E] <= 100 MM
出版:Comite Europeen de Normalisation
專家解讀視頻