Patent

Patent:GB431314 12.12.1933 Nederlandsche Instrumenten Compagnie Nedinsco (P) : Improvements in Calculating Apparatus for Firing Directors for Shooting at Moving Aerial Targets
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Patent:US2071424 23.02.1937 Papello, Karl (P) NV Nederlandsche Instrumenten Compagnie Nedinsco (P) : Apparatus for following a target

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