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发明名称
MEHRSTAERKENBRILLENGLAS.
摘要
申请公布号
DE1646103(U)
申请公布日期
1952.10.30
申请号
DE195200A3052U
申请日期
1952.09.09
申请人
OTTO APOSTEL
发明人
OTTO APOSTEL
分类号
主分类号
代理机构
代理人
主权项
地址
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