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发明名称
Ardoise factice à écrire
摘要
申请公布号
FR1483274(A)
申请公布日期
1967.06.02
申请号
FR19666301861
申请日期
1966.06.13
申请人
发明人
FAYET ANDRE
分类号
B43L1/02
主分类号
B43L1/02
代理机构
代理人
主权项
地址
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