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发明名称
Changement de vitesses à roues toujours en prise
摘要
申请公布号
FR674849(A)
申请公布日期
1930.02.03
申请号
FRD674849
申请日期
1928.09.24
申请人
发明人
BOUCHER ERNEST
分类号
F16H3/08
主分类号
F16H3/08
代理机构
代理人
主权项
地址
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