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摘要
申请公布号
US2125191(A)
申请公布日期
1938.07.26
申请号
US19380193167
申请日期
1938.02.28
申请人
LESLIE MOORE HOWARD
发明人
MOORE HOWARD LESLIE
分类号
G09F1/12
主分类号
G09F1/12
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