GB/T 12459  弯头 DN 40-Sch80S90ES

DN 40-Sch80S 90ES

WN 80-150 RFï؟6RF /800FDRFRFF S00.6/=102010RF D=000R

so 350(b)-10rf768

Pl 200(b)-16 RFF16h/´0FrfF S150-4.0/64-160h

SP-5-10-12S=4.56320

TPB-3 DN=1000 δ=10 S

47023 RF 500 -2.5/

BI 160050-FM100soS00.6/=102010RF D=000RF

pl25-25 t0