Amendment to supplementary code of fair competition for the diamond core drill manufacturing industry (a division of the machinery and allied products industry) as approved on July 18, 1934
Title from title screen (viewed on Apr. 9, 2014). At head of title: National Recovery Administration. Publication pre-dates item numbers. No item number has been assigned. "Registry no. 1321-01." "Approved code no. 347I--amendment no. 1."