Object's details: Taśma stalowa do elektromagnetycznego zapisywania dźwięków : opis patentowy : nr 15992 : kl. 42 g 17
Provider:Polona
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Taśma stalowa do elektromagnetycznego zapisywania dźwięków : opis patentowy : nr 15992 : kl. 42 g 17
Date:1932
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Creator:Könemann, Heinrich Autor
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Type:other
