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发明名称
Support for washboards
摘要
申请公布号
US2431539(A)
申请公布日期
1947.11.25
申请号
US19450577834
申请日期
1945.02.14
申请人
CAMPANELL JOHN F;CAMPANELL BLANCHE H
发明人
CAMPANELL JOHN F.;CAMPANELL BLANCHE H.
分类号
D06F3/02
主分类号
D06F3/02
代理机构
代理人
主权项
地址
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