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发明名称
Perfectionnements apportés aux changements de vitesse progressifs, notamment à ceux pour commander des organes à déplacer linéairement
摘要
申请公布号
FR863759(A)
申请公布日期
1941.04.09
申请号
FRD863759
申请日期
1939.09.26
申请人
发明人
DUBOIS
分类号
F16H15/12
主分类号
F16H15/12
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代理人
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