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Title:
Soap bubble pipe
United States Patent 2041423
Inventors:
Mausolf, George A.
Publication Date:
05/19/1936
Export Citation:
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Assignee:
Mausolf, George A.
Primary Class:
446/20
International Classes:
A63H33/28
;
A63H33/28
View Patent Images:
Download PDF 2041423
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