GB/T 29465  法兰 FF 350-0.25/20δ0=20

5 FF 350-0.2520δ0=20

LWN 25-150 RF B=41 H=307

wn200(b)-25ms=12f00(

WN65-300 RF 5rf2FFM60

WN60-300 Tr60H12-

PL40(A)-16RF 带线 b=2-ampa

hg/t20592-2009pl150-25rf40S/100-17950-150RF12mB16.47.6 RF-25FMr

WN80-300 RF S=5mm5/tmF SchFRFN= A= S=PL 50RFS.

BL