HG/T 20592  法兰 PL 250(B)-16 RF b=103

PL250(b)-16RF b=103

WN40-300FM SCH1600/O2m RF-4-

pl20(b)-6 rf6b8F Sch40F6RF/w

WN 200-900 RF Sch80S=6f s=-300 LM77.5 RJch400F Sch40sch80

SO 350(B)-16 RF

BN/@SO100(B)-16 RFc2/uT20615-2009)-

BL25(A)-63 T¦/

pl50(b)-6fF350b-10rf50 RF

47023 c-fm 1200-2.5/