GB/T 12459  异径三通 DN 350×350×10-Sch10STR

DN 350×350×10-Sch10S TR

3 CM 1000-0.2520δ0=1

wn32-600 rf sch6R900 RF-0.=6 undefinmp2-5j

wN 100(B)-25 RF

wn600(b)-150rf0-1/u00ce/u00b4=210 RF0-30 R3 RF

wn40(b)-40rf s=4mpa16 RFâB)-162803

3 FM 300-2.56f20f50 RF00-16 rfBL20654

JWN100x80-10 RF10 R

WN