GB/T 12459  弯头 DN 40-Sch80S180EL

DN 40-Sch80S 180EL

PL80B-16RFF s=3.50-10 rfch801

WN 2"-300 RF0RF RF716 RFL100-150 R RF Sch-16 RF b=t20 RF0(b

WN 250-300 RF Sch40

pl400-16 RFSh/CH6015 wn400-60040A40AA500(b-4.0Fsp

PL 65(B)-16 RF

WN 500(B)-40 FM

BL2"-300 RF

SO 40-150 RF

SO150