HG/T 20592  法兰盖 BL 40(B)-6 FFMC=300/u00c3/u0

bl40(b)-6ffMC=300/u00c3/u0

SW 50(B)-40 RF=5.0 R

pl350(b)-10 rf0-25RF d=266 L=23s=8 RF

47065.3 B2-f

1 M 1000-0.6306RF0 RJ16 R.0/0Rh400-10

PL20(a)-10ffS/-1RFM0

3 T 600-1. b=44000/a

PL100(A)-16 RF b=3F80/u00b40=-2=6/64150- rf scrf0R.6

BL600-16RF9/SRF

WN