GB/T 12459  弯头 DN 650-690EL

DN 650-6 90EL

47065.2 A6

AXC-8

so65-300g

WN25(B)-40RF

DN150-PN25 PL RF Ⅱ

SO 15-300 RF

BL 25-150 RJ

NB/T47021 FM500-0.6

PL 150(B)-25 RFS=4b)-63RFh40 TSF S=16 FM/@0 FFFF PL/W-B RF Ⅱ S=40RJ S7SM0 R1Ru00.آRFSC/ R(a)-1@RF@443RF@AFF Sc 90EFF S= RF b=3