Appropriate industrial technology for energy for rural requirements.
| 格式: | 图书 |
|---|---|
| 语言: | English |
| 出版: |
New York
United Nations
1979.
|
| 丛编: | Monographs on appropriate industrial technology
no.5 |
| 主题: |
| 格式: | 图书 |
|---|---|
| 语言: | English |
| 出版: |
New York
United Nations
1979.
|
| 丛编: | Monographs on appropriate industrial technology
no.5 |
| 主题: |