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(54) УСТЮЙСГВО ДЛЯ ОЧИСТКИ ВЕРТИКАЛЬНЬК ТРУБ, НАПРИМЕР СТОЯКОВ К(ЖСОВЫХ ПЕЧЕЙ(54) APPROVAL TO CLEAN VERTICAL PIPES, FOR EXAMPLE OF RACKS TO (HOSE FURNACES
SU1837525A1972-10-091972-10-09
Device for cleaning vertical pipes, such as coke oven stoves
SU511331A1
(en)