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These are Unknown |
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Slavyansk rebar and insulators factory ( Slavyansk town , Donetsk region, Ukraine) "АИЗ" denotes the abbreviated name of the factory. Logo used from 1940s to 1966. |

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Slavyansk rebar and insulators factory -- first logo from 1967 to 1974, second from 1974-1990s, third is current |
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Leningrad Scientific and Production Association "Electroceramics" (plant "Proletary") |
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Reinforcement and insulation plant (Арматурно - Изоляторный Комбинат, АИК) |
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Velikie Luki Plant of Electrotechnical Porcelain (VZEF) |
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Yuzhnouralskiy insulator factory (Note poor quality logo) |
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Quality mark of the USSR introduced in 1967. |
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Yuzhnouralskiy (South-Urals) insulator factory - The factory was founded after World War II to help replace wartime damage. Thanks to George Sukhoff for this company history. |
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Porcelain Factory named after March 8 (Polyanka village, Zhytomyr region) |
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Maharadze Porcelain Factory |
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Shchekino of the Order of the Badge of Honor, Kisnotoupor plant (Shchekino, Tula region) |
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Insulator Plant Moscow |
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ГЭТ stands for State Electrotechnical Trust. This was a major company in mid-late 1920's. Thanks to George Sukhoff for this information. |
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Gzhel production Association "Electric Insulator" (village Novo-Kharitonovo, Moscow Region.) |