Search Results - "Standards Bur. Circ. No. 391."
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Standard thicknesses, weights, and tolerances of sheet metal (customary practice)
Published 1931“…Standards Bur. Circ. No. 391.…”
Government Document Microfilm Book -
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Standard thicknesses, weights, and tolerances of sheet metal (customary practice)
Published 1931“…Standards Bur. Circ. No. 391.…”
Full Text (via ProQuest)
Government Document eBook