GB/T 12459  同心异径管 DN 1100×10-Sch80RC=8-2

DN 1100×10-Sch80 RC=8-2

PL 200(B)-6 RFRF6/00(b)-5

WN 150-150 RF S=4

WN 15(B)-10 RF

SO32-40 mpampfoh40S7.1pampwd&=1F/mpampampquoth

WN500-16RF/-6F114M S=661¢/0Sch

TPB-2 δ=8 S1=8RF

nb/t47022 fm1000-1.0�/-15/fsch10sA=11

47023 M800-1.6/48-12»

SOP FF