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发明名称
Wall and corner guide
摘要
申请公布号
US2728142(A)
申请公布日期
1955.12.27
申请号
US19540462575
申请日期
1954.10.15
申请人
BETTERTON EDWARD L
发明人
BETTERTON EDWARD L.
分类号
E04G21/18
主分类号
E04G21/18
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