Books by Pittsburgh Pittsburgh steel products company:
Books in the extended shelves:
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Pittsburgh Steel Products Company, Pittsburgh, Pa: Blue book containing information and tables relative to the use of Pittsburgh standardized reinforcement for concrete, for architects, engineers and builders. (Pittsburgh Steel Products Company, 1911) (page images at HathiTrust)- Pittsburgh steel products company, Pittsburgh, Pa: Blue book containing information and tables relative to the use of Pittsburgh standardized reinforement for concrete. (Pittsburgh steel products company, 1910) (page images at HathiTrust)
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