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发明名称
Bicycle hub dynamo
摘要
申请公布号
US2535453(A)
申请公布日期
1950.12.26
申请号
US19490092539
申请日期
1949.05.11
申请人
ALFRED RABL
发明人
RABL ALFRED
分类号
B62J6/12
主分类号
B62J6/12
代理机构
代理人
主权项
地址
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