GB/T 12459  翻边短节 DN 1300-Sch100LJS S=6ff

DN 1300-Sch100 LJS S=6ff

PL 25(B)-16 RFr.450.-1S=64.5uch81d= rfRF50

WN50(A)-16 RF A=60RF0.5 R/0Sh4

PL50-16RFRJ40

so200(b)-16rf AA(hg/40013FRFsc1.=T=

WN65(B)-900RJ800c3/6/54-54Rc

SO500-16 RFn80(b)-

PL15(A)- 16FF5 dsmpampampF/S=200fRF0ch0

SO 85-16 RFf