GB/T 12459  异径三通 DN 900×900×300-Sch100TR

DN 300×300×900-Sch100 TR

WN15-150 RF S=/u0010rRF615-/

WN80(B)-16 RF S=40

BL 2"-1500 RJF Sch40S00f-f/@MRF ,HG58f4m

SP-74.0650 RF/

WN10-16rf350sch4.f s50RF2.50S=300c6/u0/0-600RJ&a

HG/T20592WN40(B)-16RFpampampampa

WN32(B)-160 RJ S=6

WN32(b)-160FM