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发明名称
Changement de vitesse progressif
摘要
申请公布号
FR1063420(A)
申请公布日期
1954.05.03
申请号
FRD1063420
申请日期
1952.09.18
申请人
发明人
ROUSSET FERNAND;ROUSSET GASTON
分类号
F16H33/10
主分类号
F16H33/10
代理机构
代理人
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