GB/T 12459  弯头 DN 80-Sch8090EL/T20� HG/T�6000-203RF00

DN 80-Sch80 90El/T20� HG/T�6000-203RF00

47023 C-RF1500-0.6 /u00c3/

DN50-PN16 PL RF Ⅱ

BL300-25 rf6/RF b=0

WN 100(A)-25 RF S=4f(

WN 250-150 RF C=36.6 H=108FM22

47023fm 700-2.5b=670rf H=3050

B WN 28"-150 RF B=S=10

So50(b)-16rf3RF S=3

LWN 12