Spirally wound paper tube
United States Patent 3194275
US Patent References:
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- - 2747616

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Inventors:
Biggs Jr., William A.
Dunlap Jr., Charles K.
Publication Date:
07/13/1965
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Assignee:
SONOCO PRODUCTS CO
Primary Class:
138/144
Other Classes:
242/609.400
International Classes:
B31C3/00