ES146886A1 - Un procedimiento para la fabricación de un tubo de amianto y cemento, preferiblemente un tubo reforzado de composición de amianto y cemento.
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Un procedimiento para la fabricación de un tubo de amianto y cemento, preferiblemente un tubo reforzado de composición de amianto y cemento.
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ES146886A1939-05-091939-05-09Un procedimiento para la fabricación de un tubo de amianto y cemento, preferiblemente un tubo reforzado de composición de amianto y cemento.
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