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发明名称
SICH SELBST REINIGENDES TRANSPARENTES NUMMERNSCHILD.
摘要
申请公布号
DE1604741(U)
申请公布日期
1950.04.13
申请号
DE194900P0134U
申请日期
1949.11.02
申请人
LEBRECHT PFEFFER
发明人
LEBRECHT PFEFFER
分类号
主分类号
代理机构
代理人
主权项
地址
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