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摘要
申请公布号
US2873062(A)
申请公布日期
1959.02.10
申请号
US19570696186
申请日期
1957.11.13
申请人
W. ELDER CORNELL, JR.
发明人
CORNELL GEORGE W.
分类号
A47G29/12
主分类号
A47G29/12
代理机构
代理人
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