All-around extensible paper
United States Patent 2257428

Inventors:
Gottfried, Ruegenberg
Publication Date:
09/30/1941
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Assignee:
Gottfried, Ruegenberg
Primary Class:
428/183
International Classes:
B29C51/22; B29C53/26; B65D65/38; B29C51/18; B29C53/00