HG/T 20592  法兰 WN 1400-16 RF S=7.9)-40 M S=11F=1-

WN1400(A)-16 RF S=7.9)-40 M S=11F=1-

so 125b-25 M undeff s0S=50.

pl300b)-10rf hg74-15(b)-b=ch801FB)00=C

BIi2100=70H60CH10u00 C-eqid==1000-4016035

wn25(b)-63 rfs=S

SO 40(B)-16 RF-25rf3.

LWN100-150RF85c=2 A=159 B=150-F)-

WN25(B)-25 fm S=6 b=3 d=78 &