Title:
Register
United States Patent 2104208
Inventors:
Oltrogge, Frederick C.
Publication Date:
01/04/1938
Export Citation:
Click for automatic bibliography generation
Assignee:
WATERLOO REGISTER COMPANY
Primary Class:
454/331
Other Classes:
285/200
International Classes:
F24F13/075; F42C15/00; F24F13/06; F42C15/00
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