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经营范围
发明名称
Electric meter
摘要
申请公布号
US1745272(A)
申请公布日期
1930.01.28
申请号
US19270207435
申请日期
1927.07.21
申请人
WILLIAM ROELING HENRY;FRANK AUSTIN BERNARD;GEORGE BAUER JOHN
发明人
ROELING HENRY WILLIAM;AUSTIN BERNARD FRANK;BAUER JOHN GEORGE
分类号
G01R11/12
主分类号
G01R11/12
代理机构
代理人
主权项
地址
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