A Digest of Patents, issued by the United States, including the years 1839, 1840, and 1841: published by act of congress, under the Superintendence of the Commissioner of Patents, Henry L. Ellsworth To which is added the present Laws relating to Patents
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| Format: | eBook |
| Language: | English |
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Washington
Will. Greer
1842
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| Online Access: | kostenfrei |
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| Institution: | Bavarian State Library |
| All Items of this Institution: | all items available from Bavarian State Library |