Patents & inventions; an information aid for inventors.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington,
For sale by the Superintendent of Documents, U. S. Govt. Print. Off.]
1964.
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| Edition: | Rev. ed. |
| Subjects: | |
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3rd Floor Main Library
| Call Number: |
A1234.567 |
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| Copy 1 | Available |