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发明名称
Electric-meter service appliance
摘要
申请公布号
US1767261(A)
申请公布日期
1930.06.24
申请号
US19270176270
申请日期
1927.03.17
申请人
JOSEPH SACHS
发明人
SACHS JOSEPH
分类号
G01R11/04
主分类号
G01R11/04
代理机构
代理人
主权项
地址
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