GB/T 12459  偏心异径管 DN 80×50-Sch40RE

DN 80×50-Sch40 RE

pl80(b)-40rf b=3

PL 65(B)-10 RF

SO 25(B)-63 RF

bl400-150rf2-

A WN 14"-900 LG

BL 500-16 RF

BL350-6 FF1

wn350-40rj0Sb2.77=2.77ذ°ذ@5@3@0RFF3FrRFF Sch20@h1F/N

47023 c-fm1400-2.5 d=1601 d1=1546 d2=1504 d3=14880SF18000-rjRFT20FRA