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发明名称
Changement de vitesse pour cycles
摘要
申请公布号
FR922503(A)
申请公布日期
1947.06.11
申请号
FRD922503
申请日期
1946.02.16
申请人
发明人
DALIN MAURICE
分类号
B62M9/04
主分类号
B62M9/04
代理机构
代理人
主权项
地址
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