HG/T 20592  法兰 SW 150(B)-10 RF

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WN 2"-150 RF Sch80S@000077.5 RF412R

WN 6"-150 RF S=S=9.52-60 RF-1.5ch450-0.6/RF S=S=9.52p;quot;

WN250-300RFRFB)-6.55 RF7

WN FF 5K 25A Sc22M S=1�FcRFG)5-R@W110Mu2.5 RJ-RF SCH80RF/@5@0�2059200-1

bl50-150 rf l=3/4&a