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经营范围
发明名称
KOMMUNIZIERENDE TUBE.
摘要
申请公布号
DE1659453(U)
申请公布日期
1953.07.16
申请号
DE195300F4893U
申请日期
1953.01.19
申请人
A. OTTO FRANK
发明人
A. OTTO FRANK
分类号
主分类号
代理机构
代理人
主权项
地址
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