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Mail box and indicator
摘要
申请公布号
US1976117(A)
申请公布日期
1934.10.09
申请号
US19310531415
申请日期
1931.04.20
申请人
CASSEL JAMES A
发明人
CASSEL JAMES A.
分类号
A47G29/122
主分类号
A47G29/122
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