GB/T 12459  翻边短节 DN 700-Ⅱ-8LJSS S

DN 700-Ⅱ-8 LJSS S

3 M1600-4.06F592-2FRFmm 20 pl50

PL32-16FM=3sm=2mpa

PL20-40 M-1.0 Ã0/SFMs=8A1.7500RF2B=1020 K=

pl50-10rf d=160 c=1‚150 R0 h=RF11cmu0085s10-000MB)/00

PL50-40RF0(b)0-2Flaampam

bl10(b)-16rf

wn150-150rf s=8 h1-115F

PL50B)-2.5RF5102.