48 resultados para Power tool industry
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Title Varies: V.1, Home Study; V.2-3, Home Study Magazine; V.4,No.10-V.8,No.4, Science and Industry
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1939.--pt.30. Technology and concentration of economic power. Apr.8-12, 15-19, 22-26, 1940.--31. Investments, profits, and rates of return for selected industries.
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Imprint on label mounted on t. p.: Washington, Oliphant Washington Service.