Foreign patents : a guide to official patent literature /
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| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English Multiple |
| 出版: |
Dobbs Ferry, N.Y. :
Oceana Publications,
1972.
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| 主题: |
| Item Description: | Includes index. |
|---|---|
| 实物描述: | 358 p. ; 25 cm. |
| 参考书目: | Bibliography: p. 328-338. |
| ISBN: | 0379000091 (hbk.) |