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A method for the mandufacture of concrete having prestressed longitudinal and annular reinforcements
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Method and arrangement for prestressing concrete beams and the like
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Concrete slabs and method of assembling same
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Method for the manufacture of prestressed concrete pipes
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A method forthe manufacture of pipes of concrete having prestressed longitudinal and annular reinforcements
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Prestressed concrete cores for embedment in concrete structures
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A method forthe manufacture of pipes of concrete having prestressed longitudinal and annular reinforcements
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Prestressed concrete hull and method of making the same
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Reinforcing and tensioning members for concrete structures
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A method forthe manufacturing of concrete pipes having prestressed reinforcement
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Method and construction of prestressed structures
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Method of making reinforced concrete structures
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Prestressing concrete structures
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A method forthe manufacturing of concrete pipes having prestressed reinforcement
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Prestressed concrete pipes
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Method for making a reinforced concrete structure and concrete structure made according to said method
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Prestressed concrete pipes
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Method of prestressing upright-cylindrical concrete structures
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Prestressed reinforced concrete
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Method of making reinforced concrete structures
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Triangular section steel reinforcing bars for concrete
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Prestressed concrete
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Method of prestressing cylindrical walled concrete structures
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Improvements to concrete piles and the processes for manufacturing them
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Method and apparatus for pouring concrete structures
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