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发明名称
Cleaning implement
摘要
申请公布号
US3399499(A)
申请公布日期
1968.09.03
申请号
US19670654441
申请日期
1967.07.19
申请人
NORTON COMPANY
发明人
STETZ WILLIAM;COLANGIONE RALPH J.
分类号
A47L13/12
主分类号
A47L13/12
代理机构
代理人
主权项
地址
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