HG/T 20592  法兰 IF 80(B)-100 RF H=3 RFF64Rh80SRf|05 rf s30408

WN200-150 RF B=201pampampampampampampampampampnbsp &ampamp

IF 80(B)-100 RF H=3 RFF64Rh80SRf|05 rf s30408

wn25(b)-16 rf 8片 304ch40 S=25m165

WN 80-150 RF Sch80

BI 325 δ4=10s=15-6

BL50(B)-10RF SCH RFRF80s00-1.6/F2w84h80s80s80s0S.25

47023 fm800-1.0