GB/T 12459  弯头 DN 80-7.590EL-c3/uF-rf@40@S5 RJrvlet0 RF0cfÂ0 B4@F S rf

DN 80-7.5 90EL-c3/uF-rf@40@S5 RJrvlet0 RF0cfÂ0 B4@F S rf

PL250B)-10RF B1=268

PL 300(B)-16 RF

47021c-rf1600-0.25

PL25(b)-16Ms=

WN 250(B)-16 RF Sch80S

wn50-300m-sch40f5ch40b=1-150

IF 20-25 RF24)

WN 200-150 RF

SO 8"-300 RF40Sp11RSch800EL5.0FRFRF S