GB/T 12459  弯头 DN 40-Ⅱ-390EL18 so90ELM/u00ef/data/public/blue

pl100-25rf137Ff1.6s=3.5£�10--66010SG/TNS=p

PL50(B)-10 RF/u00f1.6s=3.5£�10--66010SG/TNS=p

DN80-PN10 WN RF Ⅱ S=5.49

pl20-40m

PL50B-10 RF b=340-954=50 h=1

WN25(B)-160 FM S=6mmB-10RFF4 B=824 600-1.6/f

WN65-63RF AA= S=3.51.00-1.0 δ=45f)-10RF50

B