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经营范围
发明名称
SPRECHSPANGE FUER KEHLKOPFLOSE.
摘要
申请公布号
DE1782353(U)
申请公布日期
1959.02.05
申请号
DE195800K0333U
申请日期
1958.11.03
申请人
JOHANN KNOLL
发明人
JOHANN KNOLL
分类号
主分类号
代理机构
代理人
主权项
地址
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