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发明名称
Recording device for meters
摘要
申请公布号
US1745647(A)
申请公布日期
1930.02.04
申请号
US19260123649
申请日期
1926.07.20
申请人
SEAMAN ARTHUR T
发明人
SEAMAN ARTHUR T.
分类号
G01F15/075
主分类号
G01F15/075
代理机构
代理人
主权项
地址
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