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发明名称
Vacuum cleaner
摘要
申请公布号
US2808957(A)
申请公布日期
1957.10.08
申请号
US19550524920
申请日期
1955.07.28
申请人
WHIRLPOOL CORPORATION
发明人
BRADLEY ADDISON BALLARD
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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