GB/T 12459  异径三通 DN 150×150×100-Ⅱ-10TR

DN 150×150×100-Ⅱ-10 TR

WN 25(B)-40 RF S=12

WN 600(B)-2.5 RF S=12/data

LWN40-300 RF Sch40 H=448.91c

WN32(B)-40 RF S=12

pl 125-40 rfrfRJ0.6sch80ch80e5/u

bi1500 bS6RFO8-25 RF/TF�j@5@ rfuFsRF2500 RF1c

bl 600(b)-150 rf4-R��RFB70-h40A39h86

B BL90