GB/T 12459  弯头 DN 50-990EL0b0S=5 A=4/40-9R4-1F Sch40FFb fmF题mp0-100 RF S=1

DN 50-9 90EL0b0S=5 A=4/40-9R4-1F Sch40FFb fmF题mp0-100 RF S=1

SO 400(a)-16 RF000-1.0166�1

wn 80-150 RF s =6 K A hg/tat=8 snSFD0R

wn32-16mh4-2h4mp

WN 20-16 TR

WN 1400(B)-25 FF S=50c0525RFÃ150 RF26rfhtwRFh80rfCH601fpamp0- RF

WN500-900 RJ ASME1