SPINNING CHIMNEY
United States Patent 3551949

Inventors:
Leybourne, Allen E.
Dees, John R.
Publication Date:
01/05/1971
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Assignee:
MONSANTO CO
Primary Class:
425/445
Other Classes:
264/211.140, 425/72.200
International Classes:
D01D5/092; D01D5/088; D01D5/04




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