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发明名称
Measuring device
摘要
申请公布号
US2334385(A)
申请公布日期
1943.11.16
申请号
US19420430679
申请日期
1942.02.12
申请人
COOPER FREDERICK S
发明人
COOPER FREDERICK S.
分类号
主分类号
代理机构
代理人
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地址
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