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经营范围
发明名称
Suction cleaning apparatus
摘要
申请公布号
US1970666(A)
申请公布日期
1934.08.21
申请号
US19310529136
申请日期
1931.04.10
申请人
THE P. A. GEIER COMPANY
发明人
MARTINET EUGENE F.
分类号
A47L7/04;A47L9/10;A47L9/14
主分类号
A47L7/04
代理机构
代理人
主权项
地址
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