GB/T 12459  等径三通 DN 400-12.7TS00rfa21e/=4 d=18S=

DN 400-12.7 TS00rfa21e/=4 d=18S=

DN800/PN10/11B S=7

WN 50(B)-100 RF

wn 125-600 rf=0

PL25A-10FF6mpch6RF/u00c3/u0083/u00c6mpam43.5

SO125-300rf/2 t0-6.4

BL 100-25 RFF5r6/-4.0δn=6100f0RFS

3 CG 450-1.620δ0=20=6mpqu(A200 rf0-150rf0

20592 wn350b-10rf/R/

b