Screw-thread standards for Federal services.
|Corporate Author:||United States.|
Washington, U.S. National Bureau of Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1970-
"Handbook H28 (1944) and the 1950 Supplement are superseded by Parts I, II, III of Handbook H28 (1957) and the Federal Specifications listed in Appendix 6 of Part I of H28 (1957)."
"Superseding H28 (1957) part I and that applicable to part I in the 1963 supplement to H28."
"NBS handbook H28 (1957) Part III."
"NBS handbook H28 (1957) Part II."
"NBS handbook H28 (1969) Part I."
"A United States Department of Commerce publication."
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