Hilgartner Marble Company. In matter of Hilgartner Marble Company and International Association of Marble, Slate, and Stone Polishers, Rubbers, and Sawyers, Tile and Marble Setters, Helpers, Mosaic and Terrazzo Workers Helpers, Local No. 121 of Baltimore, Md., case no. C-747, decided July 27, 1939; decision and order.

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