HG/T 20592  法兰盖 BL 80-16 RF b=/

BL80-16RF b=/

WN20-600RF B=@J FM�4-600 RJ Sch4006000 RJn60RF/2@RF@4R0SSc RF SCH40pampa

WN 120-300 RFF00-0.25-1.3.

3 rf 350-4.0RFR150=

47021 RF500-1.08mlrj(

WN50-25RF S=510 FFf6M

WN 100-150 RF=8.5-3.3RFS2

BI 150000RF)- RF S=

PL40(A)-16 RF  带线

W