Classification of subjects of invention of U.S. Patent Office arranged by divisions with classes and subclasses in each; revised to July 1, 1908.
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| Format: | Government Document eBook |
| Language: | English |
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Washington, D.C. :
U.S. Government Printing Office,
1908.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | For related series, see I2303-1 to I2303-23. . Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
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| Physical Description: | 1 online resource (86 pages) |
| Format: | System requirements: PDF reader software. |