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发明名称
Clavier de machine à écrire
摘要
申请公布号
FR1141408(A)
申请公布日期
1957.09.02
申请号
FRD1141408
申请日期
1955.06.07
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
B41J5/26
主分类号
B41J5/26
代理机构
代理人
主权项
地址
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