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searching for Ernst Holzlöhner 1 found (7 total)

Konrad Johannes Karl Büttner (1,441 words) [view diff] exact match in snippet view article find links to article

Sensing Devices. U.S. Patent No. 3,315,518. Washington, DC: U.S. Patent and Trademark Office. Issued 25 April 1967. Ernst Holzlöhner @ German Wikipedia