HG/T 20592  法兰盖 BL 32(B)-10 FM503 rf150

bl32(b)-10fm503 rf150

SO20(B)-16 M/h

SO 200-150 FFH=

WN 40-150 RF S=30 RF/16RFF

WN900B-16FF5/rf s r

WN700(B)-300 RF-2.5/S/95-1

WN 200(B)-16 RF S=9=70,

bii2000)-

WN 3/4"-150 RF Sch40S-2190H1 hgRF1Р000150RF8

pL25- 40RFf40GT 20F-2009F-1500 s=0-300