HG/T 20592  法兰盖 BL 600-16 GB/

BL600-16 GB/

WN150(B)-40 RF01620s=459750

SO 150-300 RF D=305 B=166.6h30-1RFF S=1

WN 400(B)-63 RJ S=151.6´RF0RFF RF.0FSc05�-113-f/FRFchfFF Schmd=100

SO 125(a)-16 RF00-1.6/

WN 200B-40 FM h=Schff“вҖҷШ°вҖҳГ�F

WN 80(B)-25 RF S=4

3 RF80