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发明名称
Surface treating device
摘要
申请公布号
US1983640(A)
申请公布日期
1934.12.11
申请号
US19320620613
申请日期
1932.07.02
申请人
INVENTIA PATENT-VERWERTUNGS-GESELLSCHAFT
发明人
KARLSTROM FREDRIK JOHAN ROBERT
分类号
A47L11/26
主分类号
A47L11/26
代理机构
代理人
主权项
地址
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