GB/T 12459  弯头 DN 32-Sch1090ELCH�0sb5 RJ-В°F5@PFRF-150

DN 32-Sch10 90ELCH�0sb5 RJ-В°F5@PFRF-150

WN25-150RF�ยฆุF00 R

B WN 900-150 RF Bsch

Bl50-16RF

pl500-16rfd=@p6/Sch

TH 3"-300 RFF HG

WN600(B)-25 G SSch40=7 S=16ch-2009-0.6RF

WN 450(B)-40 RFp5456 R/F00-sk= RF�=7 b=125S50-16R

DN500-PN1