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经营范围
发明名称
Changement de vitesses pour cycles
摘要
申请公布号
FR977415(A)
申请公布日期
1951.04.02
申请号
FRD977415
申请日期
1948.12.18
申请人
发明人
DUSSAUCHOY EDOUARD-PAUL
分类号
B62M9/124
主分类号
B62M9/124
代理机构
代理人
主权项
地址
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