Object's details: Sposób wyrobu elektrody fotoelektrycznej : opis patentowy : nr 25110 : kl. 21 g, 29
Provider:Polona
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Komórka fotoelektryczna z półprzewodzącą warstwą selenową : opis patentowy : nr 26311 : Kl. 21 g, 29
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Creator:Pouchain, Adolfo Autor
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