GB/T 12459  同心异径管 DN 200×100-6RC

DN 200×100-6 RC

WN24"-600 RF Sch80s

PL 80(B)-16RF RF Sch

WN 50-300 RF B �1

3 CG 2800-1.020

wn80(b)-63Fm

WN350-16 FF0

LWN250-150 RF Sch120

SO 200(B)-16 RFt

3 M 900-1.0130 K=880 d=819 n=32 L=39SCH40K=880 d=819 RF B=1150,S=8=8 H0=700/data�ampam1