Title:
Stereophonic apparatus
Document Type and Number:
United States Patent 2845491
Inventors:
Klaus, Bertram
Plaque It!
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Publication Date:
07/29/1958
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Referenced by:
Export Citation:
Assignee:
TELEFUNKEN GMBH
Primary Class:
Other Classes:
84/DIG.027, 84/723
International Classes:
H04S5/00
Other References:
None