Guide to patent, trade mark, & copyright law in Canada /
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| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Toronto :
Coles Pub. Co.,
c1977.
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| 主题: |
| Item Description: | Includes index. |
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| 实物描述: | xii, 267 p. : ill. ; 22 cm. |