GB/T 12459  弯头 DN 350-1490EL/

DN350-14-90EL/

WN80B-25RF S=3.2 c=14 d=8811.0/5.00-1.0F.6 я

WN 200(B)-63 RF=795010r

PL200(B)-16 RFwF S=20-21/r FFbcF13/uu0 S/5HF165

3 B3450-60200

3FM500-1.02*2o1.fo0rf-24 RF20RFRF A=3430

pl25(b)-16mRFF2TSO20

PL50(B)-25 RF

SO150-10 RF61F R00-0.25RF