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发明名称
Semi-automatic two-speed gear drive for velocipedes or the like
摘要
申请公布号
US2903913(A)
申请公布日期
1959.09.15
申请号
US19570690470
申请日期
1957.10.16
申请人
BENDIX AVIATION CORPORATION
发明人
GLEASMAN HOLLIS K.
分类号
B62M11/14
主分类号
B62M11/14
代理机构
代理人
主权项
地址
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