GB/T 12459  异径三通 DN 600×600×300-Sch20TR

DN 600×600×300-Sch20 TR

wN40-300rfM1�50 RF=+C=+f/F=6-6/)m/)-

WN250-300 RF Sch1

WN15(B)-160RFRF-16 T

3 M 800-166F-25 RF1/6)-2SC251050BB

WN 100-100RF/0-0/64-15

WN600B-25RF S=2=4 s=0f2061-26/um=245.

WN 100-150 RF6Mb=4702389/Ё0 RFH-6=65-16rf

47021 C