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发明名称
Changement de vitesse progressif
摘要
申请公布号
FR891154(A)
申请公布日期
1944.02.29
申请号
FRD891154
申请日期
1942.07.17
申请人
发明人
SAINTDRENANT FRANCOIS MICHEL-JOSEPH
分类号
F16H23/00
主分类号
F16H23/00
代理机构
代理人
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