Theoretical and experimental studies of a long stroke pumping unit with an auto-mechanical reverse mechanism and a sliding counterweight /
Saved in:
| OCLC: | 40197297 |
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| 主要作者: | |
| 企业作者: | |
| 语言: | English Chinese |
| 出版: |
Oulu :
Oulun yliopisto,
1997.
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| 丛编: | Acta Universitatis Ouluensis. Technica ;
no. 110. |
| 主题: | |
| 格式: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |