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Patent manual : for employees of the United States Department of Agriculture. (Agriculture handbook)

Patent manual : for employees of the United States Department of Agriculture. (Agriculture handbook)
Paper図書
U.S. Dept. of Agriculture1957.<L-Ua27p>
National Diet Library
  • Author HeadingUnited States. Dept. of Agriculture. Committee on Patent Policy. United States. Dept. of Agric...

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