1 result for “Union Carbide Corporation”
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Patent · October 22, 1929 · page 8
Machine for Spinning Composite Yarns (US Patent 1,732,592, 1929)
In the document: …be relied upon to guide the top end of ness, smoothness and incapacity to twist the balloon of a twisting roving to be spun togther in permanent union, but were too andthewound upon the spool 15…