GB/T 12459  同心异径管 DN 650×15-Sch120RC –ø2 R19.5

DN 650×15-Sch120 RC –ø2 R19.5

SO400B)-25 RFRum.html85 A1F

SO 25(B)-150 FFb)-25-2.520

WN32(B)-25 FM/25(b)-254

eha220000-1.0/¤

WN 8"-600 RJ Sch1206/46210F3e3000FF Schampamp�

wn80(a)-150 ff/0 bbRFtF

wn250(b)-40tg16 rf50

SO 15(B)-16 RFH10Sa48