Title:
Postcard for phonographic recording
United States Patent 2010867

Inventors:
Hisaji, Kubo
Publication Date:
08/13/1935
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Assignee:
Hisaji, Kubo
Primary Class:
369/273
Other Classes:
D14/478, 369/286, D19/6, 281/38, 206/309, 369/288, 229/92.800
International Classes:
B65D8/04