HG/T 20592  法兰 PL 150-10 FFB1=1612.7 L=1b)-16

PL150(A)-10FFB1=1612.7 L=1b)-16

WN50(B)-160 RF=32Hl0F500h1�1

WN 32(B)-6 RF S=3=

PL 65(B)-10 RF520cC0FRF7=62C=40/6RFRFRF0 Sc605592,20rf=21/

WN 15(B)-100 M S=3=6s=3

LWN25-300 M B=27 H=349

2 T 2000-2.520δ1=141505.png)-000-RF9

WN300-150 RF S=5=80 RF�