The Test weight per bushel of grain : methods of use and calibration of the apparatus / prepared by the Grain Branch, Production and Marketing Administration.
出版资料
Washington, D.C. : U.S. Dept. of Agriculture, 1953.
复本
载体形态
11 p. : ill., charts ; 23 cm.
丛编
Circular / United States Department of Agriculture ; no. 921
