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经营范围
发明名称
Suction cleaning apparatus
摘要
申请公布号
US2582219(A)
申请公布日期
1952.01.15
申请号
US19500153378
申请日期
1950.04.01
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
ARDITO WILLIAM A.;PICKFORD JACK
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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