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发明名称
TASCHENTUCH AUS FROTTEGEWEBE.
摘要
申请公布号
DE1666721(U)
申请公布日期
1953.11.12
申请号
DE195300T3985U
申请日期
1953.09.16
申请人
WILHELM TROPF
发明人
WILHELM TROPF
分类号
主分类号
代理机构
代理人
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