HG/T 20592  法兰盖 BL 600(B)-16 RF D=h=88 a=

BL600(B)-16RF D=h=88 a=

wn125-300 fm sc615 wn350-600r

47023 RF500-1.6=70-165=3SC2)-16rfmp;ampT20592-

WN150-100 RF S=7.mpampamp

wn15-300 rf H=13FF B=45

PL32(B)-16 FF BB=42 C=16-1.0/30S=3=23 A

aWN700-150rFWN20C=45mpampa

WN15(B)-16RF=/8u´0=10/6S/=4014