Texts
Patent certificate for the “Doegen-Lauthalter”
Post Date: December 15, 2022
Last Modified: December 15, 2022
Patent certificate for the “Doegen-Lauthalter”
Text Type:
Patent
Author:
Date of Publishing:
May 17, 1924
Place of Publication:
Berlin
Publisher:
Reichspatentamt
Other:
447 394, class 42 g, group 6
Part of Collection:
Post Date: December 15, 2022
Last Modified: December 15, 2022
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