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发明名称
Automatic servo-action device for controlling change speed gears
摘要
申请公布号
US2932211(A)
申请公布日期
1960.04.12
申请号
US19570672194
申请日期
1957.07.16
申请人
JEAN-MICHEL VERNHES
发明人
VERNHES JEAN-MICHEL
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主分类号
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