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Start Over You searched for: Publish Year Decade 1950 - 1959 Remove constraint Publish Year Decade: 1950 - 1959 Sudoc Stem C 41.25 Remove constraint Sudoc Stem: C 41.25

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25. Commercial standard CS (series). [Prepared by Office of Technical ServiceS, Commodity Standards Division, in cooperation with National Bureau of Standards.]. 206-57. Solvent welded (SWP size) cellulose-acetate butyrate pipe, recorded voluntary standard of the trade published by Department of Commerce.

26. Commercial standard CS (series). [Prepared by Office of Technical ServiceS, Commodity Standards Division, in cooperation with National Bureau of Standards.]. 207-57. Dimensions and tolerances for rigid polyvinyl chloride pipe, recorded voluntary standard of the trade, published by Department of Commerce.