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发明名称
Modificateur de vitesse
摘要
申请公布号
FR673897(A)
申请公布日期
1930.01.21
申请号
FRD673897
申请日期
1929.04.23
申请人
MOTEURS CHARLES ROULLAND
发明人
分类号
F16H7/14
主分类号
F16H7/14
代理机构
代理人
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