HG/T 20592  法兰盖 BL 50-100 RF/0 RFS=3.5169b=3.6S=10=32/RF Sch80M S=280-4

BL50-100 RF/0 RFS=3.5169b=3.6S=10=32/RF Sch80M S=280-4

wn65-10 rf s=5.145 S=1000RF sc

WN 150(B)-10 FF S=

wn125(b)-40mآ أ¢â‚¬إ“ط°

wn25-600fmsch80sF0K£Ã40FRF HG=T20

PL 600(B)-16 RF D=839 C=5/RF/RF76 c5-15

LWN100-1500RJ S=33 H=304F/80B)ch