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发明名称
Venetian blind cleaning machine
摘要
申请公布号
US2273514(A)
申请公布日期
1942.02.17
申请号
US19410381509
申请日期
1941.03.03
申请人
CHAMBERLIN EARL A
发明人
CHAMBERLIN EARL A.
分类号
A47L4/00
主分类号
A47L4/00
代理机构
代理人
主权项
地址
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