| 000 | 00681nas a2200229uu 4500 | ||
|---|---|---|---|
| 000 | 00568cam a22001693a 4500 | ||
| 001 | 22685 | ||
| 003 | PGUSA | ||
| 005 | 20160229140209.0 | ||
| 008 | 070920s2007||||xxu|||||s|||||000 | eng d | ||
| 040 |
_a PGUSA _b eng |
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| 042 | _a dc | ||
| 050 | 4 | _aT | |
| 110 | _a United States. Patent Office | ||
| 245 |
_a The Classification of Patents _h [recurso electrónico] / _c United States. Patent Office |
||
| 260 |
_b Project Gutenberg, _c 2007 |
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| 506 | _a Public domain in the USA. | ||
| 516 | _a Text | ||
| 653 | _a Patents -- United States | ||
| 830 |
_a Project Gutenberg _v 22685 |
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| 856 | _u http://www.gutenberg.org/ebooks/22685 | ||
| 999 |
_c24872 _d24872 |
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