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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2247472(A)
申请公布日期
1941.07.01
申请号
US19400327976
申请日期
1940.04.05
申请人
THE WESTERN BATTERY AND SUPPLY COMPANY
发明人
BIBLE WALTER E.
分类号
A47L5/36;A47L9/10;A47L9/20
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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