GB/T 12459  异径三通 DN 1200×1200×32-Sch140TR

DN 32×32×1200-Sch140 TR

WN 300B-6RFS��

WN500-300RJS=200 fF

BL80-6RF/a4712140t25rf1a116 RF S=31�░�

PL 50(B)-16 RF7 ÃŽ/1100-1.01=1

3 M 600-1.6

BL50-150RF,S6 D=155 B1=34 L=1/RFN sc941pl/

PL350-25RFFS=70=51S=12F/iii/FMFsch40s1=0.M0 16

WN