Production of gutta-percha, balata, chicle and allied gums.
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| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Washington,
1927.
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| 丛编: | United States. Bureau of foreign and domestic commerce. Trade promotion series -
No. 41. |
| 主题: | |
| 标签: |
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3rd Floor Main Library
| 索引号: |
A1234.567 |
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| 复印件 1 | 可用 |