[Patent Office, 1922].
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Corporate author / creator: | United States. Patent Office. |
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Imprint: | Washington : [s.n.], 1922. |
Description: | 1220 p. : digital, PDF file. |
Language: | English |
Series: | H.doc.524 |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/9701624 |