HG/T 20592  法兰 WN 500-25 RFFch-300 RF Sch40 RJ Sch1600 RF

WN500-25rfFch-300 RF Sch40 RJ Sch1600 RF

bl100-900 rf-ã‚ 700f

SO 125-150 RF L=-4.0 110

PL 50-150 RF Sc sch40-16 rfE-3375

SO32-40 m5S=3.5

WN50-40MS=650 rf40S16 RF

wn 40(a)-16 rf s/ SH8

SO 150(B)-16 G@h80SRF S4=7T

PL20A-6rf-t20615rfT2061

LWN40-150