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发明名称
Improvements in and relating to rotary piston machines and methods of manufacturing the same
摘要
申请公布号
GB432014(A)
申请公布日期
1935.07.18
申请号
GB19350006378
申请日期
1935.02.28
申请人
OTTO ELWERT
发明人
分类号
F04C18/20
主分类号
F04C18/20
代理机构
代理人
主权项
地址
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