法兰 BL 20-16 RF

HG/T20592-2009 BL20-16RF

WN 200-1500 Rj

WN350-63 RF HG/T20592.0-6rfn40-0

WN15-900RJ H0-10(a)-10 rf=10-40RF

pl50(b)-16 rf d=280 b= d=100 c=26 f1=345ã£â

WN 200-25 RFch80S2.5/

WN65-300RF SCH80RFrf.12=57 D=164 b=2 C=18

WN150(A)-100 RF=4300R00Rf h1=1

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