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YU44573A
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Concrete rib, concrete ribbed plate or the like for ribbed ceilings
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DE1902154A1
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Reinforced concrete rib ceiling
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GB1035700A
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Improvements in or relating to hollow reinforcing bars
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ES278049A1
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A procedure for the manufacture of an armor for concrete steel (Machine-translation by Google Translate, not legally binding)
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GB743708A
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Process and apparatus for prestressing reinforcing wires for reinforced concrete parts in mass production
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GB741866A
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Apparatus for the production of concrete elements
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GB748270A
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Improvements in methods and moulds for producing concrete members
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GB721500A
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Improvement in the construction of ribbed ceilings of reinforced concrete
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ES145127A1
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A procedure for the construction of solid ceilings according to the monolithic system.
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