GB/T 12459  等径三通 DN 15-Sch10STS157021@0a8.54.5RF.016

DN 15-Sch10S TS157021@0a8.54.5RF.016

SO250-10 RFsch400FMS�eÂ5.25

LWN500-600RF016164150RF /u00c3/

LWN40-150 RF SCH160

WN 10"-150 RJ SCH40S

WN 2"-900 RF S=7

WN 4"-150 RF

WN 25(B)-16 RF S=5

3 RF 500-1.0 δ0=5

WN 65(B)-16 RF Sch80 S=5mm