GB/T 12459  弯头 DN 200-1090EL

DN200-10 90EL

BII 2489595650 sF@AFF@PFFt Std9@4597Fs0B)--

47065.4 B596

WN 25-900 T Sch

WN550-10RFPL1@В°F5@PFR10�FF@40@He7BL30M S

BL 65-16 RF M

BL65(A)-150M16rf f RFampamp74716 RF��@RFF@FF-R0M2FF@P2@Fj@5@F S640SR0F S0

1cfm700-1

BI 15958FM Sch4