HG/T 20592  法兰盖 BL 50-40 RF W0-151 B=16112009

HG/T20592 BL50-40RF W0-151 B=16112009

a2800-f-200=940S

SO4-150RFuhtm50r/R5D=1

WN150-16 RF S=10.97mm

PL65(B)-16 RF1�

SO 300(B)-25 RF0FM==19S b.6F δs0.

47023 m1000-4.0/8/12 s=4RF S=6 CRRc6516

1 RF 500-0.6 δs=6mpampampamp

wn 40-300 rf0

2 FM1400-1.05