HG/T 20592  法兰 PL 200(B)-10 RF D=330 K=290 BB=2

PL200(B)-10 RF D=330 K=290 BB=2

1 RF 900-1.020δs

BI 1200 а Т

LWN25-150FF B=27 H=222

2 B1hg23592=F10FRF5ط° 600-f/@bi 1

BL20-300 FM�F SCH40pa

47023 fm800-2.5 î´=58 h=130

2 M 2400-4.

BL 300-300 RF=ch40Sb=m.html RJ150 RF B=8

2 B51AFampampampam