GB/T 12459  弯头 DN 25-9.0990ELpampampamp

DN 25-9.09 90ELpampampamp

WN40(B)-16RF S=5

PL 32(B)-6 RF b0-150

LWN 40-150 RF H=160

WN25-150 RF B=24

WN40(B)-16RF807FF88600

WN25(B)-40M S=4

WN 80-16 RF

wn25-40 RF

DN900/PN10/01A B1=92400 h=3524.524.5Sch80S2.5S.5h5102 b=0 fm K=130 n=4f/h40S-150 RF��