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经营范围
发明名称
Staubbeutel
摘要
申请公布号
DE556310(C)
申请公布日期
1932.08.09
申请号
DE1929H123492D
申请日期
1929.09.29
申请人
THE HOOVER COMPANY
发明人
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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