प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
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1द्वारा Kozłowski, Hubert
प्रकाशित 1973Katowice : Śl̨aski Instytut Naukowy, 1973.87 p. ; 21 cm.विषय: “...Technology Social aspects Germany (West)...”
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2द्वारा Mrozowska, Jadwiga
प्रकाशित 1931Warszawa [Druk. S. Jabłońskiego] 1931.114 p. 1 l. fold. map, diagrs. 22 cm.विषय: “...Industries Saar River Valley (France and Germany)...”
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3Wrocław, [Państwowe Wydawn. Naukowe]v. ; 24 cm.“...Silesia, Lower (Poland and Germany) Economic conditions Yearbooks....”