Theoretical and experimental studies of a long stroke pumping unit with an auto-mechanical reverse mechanism and a sliding counterweight /

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書目詳細資料
OCLC:40197297
主要作者: Lu, Yi, 1958-
企業作者: Oulun yliopisto
語言:English
Chinese
出版: Oulu : Oulun yliopisto, 1997.
叢編:Acta Universitatis Ouluensis. Technica ; no. 110.
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Thesis Monograph

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P-00031728 可用