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发明名称
Improvements relating to power units for motor cycles
摘要
申请公布号
GB497980(A)
申请公布日期
1939.01.02
申请号
GB19370023010
申请日期
1937.08.23
申请人
ERNEST EDWIN WALLINGTON BUTT
发明人
分类号
B62M7/00
主分类号
B62M7/00
代理机构
代理人
主权项
地址
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