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Title:
Electronic alarm
United States Patent 2355752
Inventors:
Repking, Joseph T.
Publication Date:
08/15/1944
Export Citation:
Click for automatic bibliography generation
Assignee:
Repking, Joseph T.
Primary Class:
340/642
Other Classes:
256/10, 307/97, 307/132E, 340/664, 361/170
International Classes:
G08B23/00
;
G08B23/00
View Patent Images:
Download PDF 2355752
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