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发明名称
Perfectionnement aux appareils perforateurs à commande par enregistrements
摘要
申请公布号
FR941727(A)
申请公布日期
1949.01.19
申请号
FRD941727
申请日期
1946.10.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
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主分类号
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代理人
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