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James Garvie
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7287. Garvie, J. March 27. Drawings to Specification. Conduits.-According to the Provisional Specification, concrete conduits are reinforced by compound bars composed of two angle-bars forming a cruciform section ; the bars may be plain or perforated.
GB190707287D1907-03-271907-03-27Reinforced Concrete Piles, Buildings & other Structures
ExpiredGB190707287A
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