File:The chemical card index of the patent office.pdf
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| Description | The chemical card index of the patent office | |||||||||||||||||||
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| Source | Transferred from en.wikisource to Commons. | |||||||||||||||||||
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Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:58, 17 July 2016 |  | 808 × 1,239, 6 pages (342 KB) | NMaia | Transferred from en.wikisource |
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