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The case of issuing a 10-year-old privilege of the retired Major Ignatiev on the method of preparing the roofing mass invented by it, called "Tol-compact"
Department of State Saving Department of the State Council.The case of issuing a 10-year-old privilege of the retired Major Ignatiev on the method of preparing the roofing mass invented by it, called "Tol-Compact".