Planning and programming of the metalworking industries with a special view to exports .
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | New York
          United Nations
    
        1972. | 
| 主题: | 
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | New York
          United Nations
    
        1972. | 
| 主题: |