GB/T 12459  异径三通 DN 1300×1300×40-Sch10STR

DN 40×40×1300-Sch10S TR

wn15-1500rj00516

wn40(a)-25 rf s=F s00-1/G/

WN 65(B)-10 FM S=4

BL200(B)-25 FM/D=0/=89/

BL150-150 RF L=3/4&amp

WN 15(B)-40 RF S=30RF-1.5Sch

wn250(a)-25 fmRF P /4m

WN32-600 RF Sch400L2505559Fs=50

wn40(B)-16fm5cm ( s3b3700 R