GB/T 12459  异径三通 DN 600×600×500-Sch10STR

DN 600×600×500-Sch10S TR

SO 2"-150 FFF S0 sRF6h40

WN20-600 M Sc600 rfRF06 R55

wn50(b)-63 rj s=/h40-4rF0-1=8)fF0Ru01.c3/4

wn450b-16rf s=8/

PL80-10RF0-0f-1507.9

WN200-150 RF SCH/)-16m09

BL40-10 RF C2=12 О�

SO 150(A)-16 G0a6Rh

wn500-300g-1f s