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Title:
Disappearing target
United States Patent 2152026
Inventors:
Fred, Bunnerlight
Publication Date:
03/28/1939
Export Citation:
Click for automatic bibliography generation
Assignee:
Fred, Bunnerlight
Primary Class:
273/406
Other Classes:
188/106P
International Classes:
F41J7/04
;
F41J7/00
View Patent Images:
Download PDF 2152026
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