HG/T 20592  法兰 PL 400-6 RF S/1=1S40S6Р В РІТ–

PL400(A)-6 RF S/1=1S40S6Р В РІТ–

BL250-16 T6/S=R=3280H40S274-136 δ1�

BL25-63 M6Mn-8=28 D=105 C=12.

wn50-40RFS=1061064 H=1gcad-40614 Fm0-165

wn100-150rf,c800s7FpJ0=20/1rf h= d=F sch.hb)

1rf 800-1.0RF S=14-2S=3.5=14)-1bb=264 SRFf3

WN 450-60