法兰 BL 300-16 RFh=3

BL300-16 RFh=3

HG/T20592WN300-16RFampam/46-1p

wn15-300T-150 r

nb/t47023 -m 1500-4.0/144-00RF0-150rf

WN150(B)-16M S=6F25 fm2 hm/

WN450-900 RF Sch3

WN150(A)-10 RF/

WN15(A)-16 MFF0 R=

wn40a-160t-20-δ72-270f4/82-

WN 300(B)-16 RF S=10

47021 ff 1000-0.6.0