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经营范围
发明名称
Improvements in and relating to change speed gear mechanism for cycles and the like
摘要
申请公布号
GB444999(A)
申请公布日期
1936.04.01
申请号
GB19350017282
申请日期
1935.06.15
申请人
JOSEPH THOMAS MORGAN
发明人
分类号
B62M9/124
主分类号
B62M9/124
代理机构
代理人
主权项
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