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发明名称
Indicator and totalizer systems
摘要
申请公布号
US3040700(A)
申请公布日期
1962.06.26
申请号
US19590799871
申请日期
1959.03.17
申请人
THE DAVEN COMPANY
发明人
JR. JOHN P. SMITH,
分类号
G01R1/20
主分类号
G01R1/20
代理机构
代理人
主权项
地址
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