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Patent:US2174330


Patent:US 2174330
Title:Apparatus for gunnery calculators
Date:26.09.1939
Place:Jena
Country:USA
Person:Papello, Karl (P)
Company:Bausch & Lomb Optical Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US2174330 (espacenet),  US2174330 (uspto)


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