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发明名称
Measuring tape
摘要
申请公布号
US2321920(A)
申请公布日期
1943.06.15
申请号
US19390298338
申请日期
1939.10.06
申请人
KEUFFEL & ESSER COMPANY
发明人
KEUFFEL ADOLF W.;WHITLOCK DONALD E.
分类号
G01B3/10
主分类号
G01B3/10
代理机构
代理人
主权项
地址
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