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About this nonfiction
Specifications and drawings of patents issued from the United States Patent Office for ... by United States. Patent Office. is a nonfiction available to read on EtoBox.
It is typically read by self-directed learners exploring a subject in depth.
Common subject areas: history, science, philosophy, social sciences.
- Author
- United States. Patent Office.
- Publisher
- G.P.O.,
- Published
- 1901
- Language
- EN
- Category
- nonfiction