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"Protection of High Frequency Lines", Albrecht Gothe, Werner Buschbeck, and Wolfgang Kautter, Telefunken mbH. US Pat No. 2165848, July 11, 1939, application Apr 21 1937. |
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"Protection of High Frequency Lines", Albrecht Gothe, Werner Buschbeck, and Wolfgang Kautter, Telefunken mbH. US Pat No. 2165848, July 11, 1939, application Apr 21 1937. |
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