图书信息

A general index of the agricultural reports of the Patent Office, for twenty-five years, from 1837 to 1861 ; and of the Department of Agriculture, for fifteen years, from 1862 to 1876.

• 卷册:
• 作者: United States. Dept. of Agriculture.; United States. Dept. of Agriculture.; United States. Patent Office.
• 出版: Washington,Govt. Print. Off.,1879.
• 语言: ENG
• 分类: S21 .A825 no.14
• 来源: BHL   https://www.biodiversitylibrary.org/item/97903
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