GB/T 12459  弯头 DN 32-3.5180ESSch

DN 32-3.5 180ESSch

WN80-40RF

PL80-6 RJMSRF Ⅱ250A@40@S5

WN 350(B)-10 RF

WN 50-600 RJ

WN 80-900 RF Sch80S0-2.5/6rf3Dhgcad=106 dC6

3 FM 650-1.6�S=≥66R010/16rfF8000-10 m0pamFF(A)600-

WN 50-150 RF Sch10S

wn150-1500 RF--/pa-16 RFokerservlet/invo

SW 2