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发明名称
SPIEGEL.
摘要
申请公布号
DE1703407(U)
申请公布日期
1955.07.28
申请号
DE195500T5672U
申请日期
1955.02.07
申请人
ALFRED TEUFEL
发明人
ALFRED TEUFEL
分类号
主分类号
代理机构
代理人
主权项
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