GB/T 12459  异径三通 DN 250×250×50-Sch30TRO

DN 50×50×250-Sch30 TRO

47065.4 A10(S021

BL 25(B)-25 RF

wn150-150rj sch4040 RF

PL300-16RFAA=3104RM2000

WN25(A)-160RF s=6

WN 50-600 RF S=8

BI 1500

47021 fm550-1.50 RF5/99/t20592δ1=10-10RF b=0)

3 RF 900-4.010S b.06-16r20(af1000-0.6 ذ¨آ°ذ’آ�