Actions for Designation of quality of canned goods : hearing before the Committee on Agriculture and Forestry, United States Senate, Seventieth Congress, second session, on S. 4800, a bill to amend section 8 of the act entitled "An act for preventing the manufacture, sale, or transportation of adulterated or misbranded or poisonous or deleterious foods, drugs, medicines, and liquors, and for regulating traffic therein, and for other pruposes," approved June 30, 1906, as amended, February 7, 1929