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发明名称
Square attachment
摘要
申请公布号
US1843858(A)
申请公布日期
1932.02.02
申请号
US19280313511
申请日期
1928.10.19
申请人
ALLEN ZOLL ROBERT
发明人
ZOLL ROBERT ALLEN
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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