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发明名称
Dispositif de classement pour feuilles perforées
摘要
申请公布号
FR1401843(A)
申请公布日期
1965.06.04
申请号
FR19640982298
申请日期
1964.07.20
申请人
LOUIS LEITZ
发明人
分类号
B42F13/24
主分类号
B42F13/24
代理机构
代理人
主权项
地址
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