C19210 1/4H铜合金

C19210-R300铜合金

C19210 1/2H铜合金

C19210 EH铜合金

C19210 SH铜合金

C19210 H铜合金

C19210 TM08铜合金

C19210 3/4H铜合金

C194 EH铜合金

C194 H铜合金