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发明名称
Combined level and square
摘要
申请公布号
US2652628(A)
申请公布日期
1953.09.22
申请号
US19490133086
申请日期
1949.12.15
申请人
GEORG JENSEN JOHAN;ERLING JOHANSEN
发明人
JENSEN JOHAN GEORG;JOHANSEN ERLING
分类号
G01C9/24;G01C9/26
主分类号
G01C9/24
代理机构
代理人
主权项
地址
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