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发明名称
Compteur différentiel
摘要
申请公布号
FR1214889(A)
申请公布日期
1960.04.12
申请号
FR19580772365
申请日期
1958.08.12
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06M1/04;G06M3/02;G06M7/06
主分类号
G06M1/04
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