HG/T 20592  法兰 SW 25-16 RF=3F S=3.5mmRFRF S-17u0085/u00

SW 25-16 RF=3F S=3.5mmRFRF S-17u0085/u00

PL 80(B)-16 RFF BB=5=4 f1=h30 RFR

WN 8"-300 RF Sch160

wn150-300rf,s-RF RF-65/60-F/0Rampampa

WN450-900 RF B=425 H=45.5F S=3

HG/T20592 WN40-300RF00c15=t 2059G/B=-1

wn32b-63rfrfB)0-16rf2.600-0.

BL 400-16 R