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发明名称
Changement de marche automatique
摘要
申请公布号
FR825237(A)
申请公布日期
1938.02.25
申请号
FRD825237
申请日期
1937.08.05
申请人
SOCIETE DES MINES DE CARMAUX
发明人
LAFFONT JEAN
分类号
B66D1/80;F16H3/00
主分类号
B66D1/80
代理机构
代理人
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