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发明名称
VACUUM CLEANER AND ATTACHMENT THEREFOR
摘要
申请公布号
CA580753(A)
申请公布日期
1959.08.04
申请号
CAD580753
申请日期
申请人
LEWYT CORPORATION
发明人
CARL E. MEYERHOEFER
分类号
主分类号
代理机构
代理人
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