HG/T 20592  法兰 SO 250(B)-10 FM Sch40S@40HFb10 RF A=pn S=FRJsRF@F SRRF10fine sch40F RFFMFF

SO 250(B)-10 FM Sch40S@40HFb10 RF A=pn S=FRJsRF@F SRRF10fine sch40F RFFMFF

WN 50()-10 RF

LWN 25-300 RF sch80

SO450B-10RF

3 C2B)-1600-1.6/ Î

WN 50(B)-10 RF

47022 C-FM1400-2.5otch6 R

WN 600-600 RF Sch60

bl100-25g

PJ/RJ 50(B)-10 RFRJB)-25fm RFRFG=T2560