HG/T 20592  法兰盖 BL 150-6 FFs=10-5s=16900216II8

bl150-6ffs=10-5s=16900216II8

wn25-300rf-sch4/

Bl300-10RF S=10fh=342b=50-6rf

bl50(b)-25 RF b=4 S=3.2 f1=2.3

SO 2"-150 RF

WN600B-10FF0 RJ00-0C=31.6-16r N=10S/

WN 400(B)-40 FM00/6r000-1.0/14 δ0F2Б20.9K=0153550sRF0S/

SO100(B)-16 MMM5924080.S160 s=