GB/T 12459  弯头 DN 80-Sch40S45EL”&ampampam

DN 80-Sch40S 45EL”&ampampam

PL150-16RF

PL 250(A)-25 RF

WN 50-150 RF Sch160

PL100-16RF

BL500(B)-16RFQ6RF50

WN 6"-900 RJ Sch40S

WN 50-150 RF Sch80

pl200-16rf

SOP FF10K 32A80@В°F5@PFRF-15160=4�F=3.5 RF S=3.56@RF@4 Rch-300 RF16 RF00-1.6RFch