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发明名称
Square
摘要
申请公布号
US2315004(A)
申请公布日期
1943.03.30
申请号
US19420427371
申请日期
1942.01.19
申请人
PAINTER WILLIAM B
发明人
PAINTER WILLIAM B.
分类号
G01B3/56
主分类号
G01B3/56
代理机构
代理人
主权项
地址
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