工程与技术Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engiAlvah L Powell![Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engi]()
Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engi
Alvah L Powell
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《Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engi》，Alvah L…
书目信息
- 作者
- Alvah L Powell
- 分类
- 工程与技术
- 语言
- 英语
- 来源
- HathiTrust