HG/T 20592  法兰 PL 500-16 RF0rj"

PL 500-16 RF0rj"

WN 15-150 RF Sch40S

47065.2 A3FRFfF FM-

WN 65-150 RF S=10

wn25(b)-10 m

WN 550-150RFR--R�FJ02 RF PL

3 RF 550-1.042.7chchF0Ch40/r-1-RFSFF00S°p

BI 25540 RF S=

DN25-PN16 PL RF в…Ў

SP-7 S=30�p0RFF�&9N10 WN FF Ⅱ S=123FFotFc2