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发明名称
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摘要
申请公布号
US1823524(A)
申请公布日期
1931.09.15
申请号
US19260095129
申请日期
1926.03.16
申请人
THE STANLEY WORKS
发明人
BEECHER LEWIS B.;AHERN PATRICK
分类号
G01C9/28
主分类号
G01C9/28
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