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摘要
申请公布号
US2356020(A)
申请公布日期
1944.08.15
申请号
US19420456250
申请日期
1942.08.26
申请人
ALBERT WESTERFIELD JAMES
发明人
WESTERFIELD JAMES ALBERT
分类号
A47G29/122
主分类号
A47G29/122
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