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发明名称
SCHREIBUNTERLAGE.
摘要
申请公布号
DE1725226(U)
申请公布日期
1956.06.28
申请号
DE195600K2309U
申请日期
1956.04.19
申请人
RUTH KESSEL
发明人
RUTH KESSEL
分类号
主分类号
代理机构
代理人
主权项
地址
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