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发明名称
GUERTEL.
摘要
申请公布号
DE1600293(U)
申请公布日期
1950.02.02
申请号
DE194900D0836U
申请日期
1949.01.28
申请人
WILHELM OSTERMANN K.-G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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