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发明名称
EIOEFFNER.
摘要
申请公布号
DE1667804(U)
申请公布日期
1953.12.03
申请号
DE195300R6144U
申请日期
1953.03.18
申请人
HELMUT RICH
发明人
HELMUT RICH
分类号
主分类号
代理机构
代理人
主权项
地址
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