HG/T 20592  法兰 WN 600-63 RF S=2

WN 600(A)-63 RF S=2

4 A1811D= K=-63 RFT2F0

SO20-16RF S=109RF(เธฐย เธฒยเธฐเธ’0 RF Sch10S0-1.

WN 100-150 RF

3 FM 1000-4.0 RF

WN 150-150 RF

LWN 20-300 RF

WN 500-300 RF

WN 100(B)-16 RFu38-100 s=12.52RF0Frf b f1=1.6 B=276.4=