Pioneer inventions and pioneer patents; a lecture on patent law delivered to the senior engineering students of Purdue university .
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| OCLC: | 1382071 |
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| 主要作者: | |
| 语言: | English |
| 出版: |
Rochester, N.Y.,
Pioneer publishing company
[c1924]
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| 版: | 2d ed. |
| 主题: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |