HG/T 20592  法兰 WN 50(B)-63 RFokerseS5i= B276 RF-196Ff/10RF10 RF=s_Sch4

WN50(B)-63RFokerseS5i= B276 RF-196Ff/10RF10 RF=s_Sch4

3 RF 1700-6.420

WN20-63 M S=580400pqu

JWN 80×100-300 RF Sch40

B WN 650-150 RF S=80 RF S=14RFmm0RF S=22

pl25(b)-10rf b=30- PL10(B)-10RFfF

BI 2000Ã RF50RFT20FRFS.0└п▒

LWN50-150RF B=52 H=172

2