GB/T 12459  异径三通 DN 700×700×20-Sch10TR

DN 700×700×20-Sch10 TR

WN1100-25RFF016 B03 s5/u1 C=26.8RFR

pl400(b)-10 ff c=Ã/

LWN 25-300 RF= rf35m

BL450-6 FF

LWN15-150 RJ2/0fined=sSg1/2-125F0

DN450/PN16/05Bδ0=12=1

WN 40(B)-63 M S4Ff92-202N200frf00-16R8s��،Sch40S-00A ch80

PL250B-10FF2.==5