71615934
Jun 30, 1951
Dec 7, 1954
CENTRALIZED CONCRETE MIXING PLANTS, CONCRETE TRANSITMIX PLANTS EMBODYING MACHINERY FOR ELEVATING CONCRETE CONSTITUENTS, BATCHING PLANTS FOR CONCRETE CONSTITUENTS EMBODYING MACHINERY FOR ELEVATING SAID CONSTITUENTS TO OVERHEAD STORAGE FACILITIES, BULK CEMENT HANDLING PLANTS EMBODYING MACHINERY FOR TRANSFERRING BULK CEMENT FROM RAILROAD CARS TO TRUCKS, BELT CONVEYORS, SCREW CONVEYORS, AND ELEVATORS
Yarns and Threads