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经营范围
发明名称
Suction cleaning apparatus
摘要
申请公布号
US1949052(A)
申请公布日期
1934.02.27
申请号
US19300495157
申请日期
1930.11.12
申请人
INDUSTRIAL IMPROVEMENTS INCORPORATED
发明人
KIRBY JAMES B.
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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