法兰 RF 1700-1.6

NB/T47022 rf1700-1.6

2 M 1600-0.6

wn50 -300 rf4

WN 300-16 RF2 H=3.0 δ=7m.htm00(B)-16 RD

47021 C-RF1200-0.6/62

wn 200-16 rf s=8.18 hg20592-2009 20Ã

SO100-150RF

WN200-40 RF B=207

PL 40(B)-10RF

so15(a)-40 rf 4/u00c3/u0083/u00c6/u0092/u00c3/u0082/u0