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发明名称
Improvements in and relating to a device for demonstrating the operation of an internal combustion engine
摘要
申请公布号
GB433264(A)
申请公布日期
1935.08.12
申请号
GB19350004527
申请日期
1935.02.12
申请人
HUGH AIRD
发明人
分类号
G09B25/02
主分类号
G09B25/02
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代理人
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