GB/T 12459  翻边短节 DN 50-Sch30LJS

DN 50-Sch30 LJS

B BL 700-300 RF16chLM016p@

47021 c-fm 700-1.0 ШЈЪҳШўВҙ=50

SO 350-150 RFRF

SO 40-150 RF0Sh

PL600(B)-10 RF1001жі-102.5 RJ

WN32(a)-150 RF

SW 25(B)-300 FM RF530f s=5 AA=50=50/² h=4 sc2-116

B BL 1200-150 RFmp

WN100(a)-150 RF‚�