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on 04 May 1993
UNIVERSAL REFRACTORIES CORPORATION
72397772 · 19 Jul 1971
014
HOT TOP CASTINGS USED IN STEEL MILL PRACTICE,THE DRAWING IS LINED FOR ...
on 04 Nov 1992
UNIVERSAL REFRACTORIES CORPORATION
72339255 · 29 Sep 1969
023
UNI-LOCK,WIPER STRIPS FOR HOT TOP BOTTOM RING ASSEMBLIES,WIPER STRIPS ...
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