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发明名称
Vacuum cleaner
摘要
申请公布号
US1797557(A)
申请公布日期
1931.03.24
申请号
US19290409320
申请日期
1929.11.23
申请人
STINE ERNEST R;BERNHARDT MATTHIAS R
发明人
STINE ERNEST R.;BERNHARDT MATTHIAS R.
分类号
A01M1/06;A01M3/02
主分类号
A01M1/06
代理机构
代理人
主权项
地址
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