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"Vorrichtung zur Befestigung von Freileitungsdrähten an Glocken-Isolatoren" von Dipl.-Ing. Hermann Laue
BArch R 4705 Forschungsanstalt der Deutschen Reichspost
Forschungsanstalt der Deutschen Reichspost >> R 4705 Forschungsanstalt der Deutschen Reichspost >> Patentangelegenheiten >> Patentanmeldungen.-Beschreibung, Technische Zeichnung, Patentanspruch >> Postspezifische Erfindungen
1942-1945
Forschungsanstalt der Deutschen Reichspost, 1925-1945