GB/T 12459  弯头 DN 100-Ⅱ-Sch4090ES(BFp386@RF0�

DN 100-Ⅱ-Sch40 90ES(BFp386@RF0�

WN 500(B)-16 FM(=-13

SO40(B)-16 m

WN 500(B)-25 RFF Sch80RF Sch4050RFF S=4=51S=1

SO40(B)-6 RF/u00e5/u

SO40-1500RF6RF6FF16FFD4

SO40-150RF0 L=26 C=

WN 500-1500 FM sc.5600 rj211.51 KF/RFF

WN250-900 RJ SCH120

SO40-150RF