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经营范围
发明名称
Wave-meter
摘要
申请公布号
US2106713(A)
申请公布日期
1938.02.01
申请号
US19360075656
申请日期
1936.04.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BOWEN ARNOLD E.
分类号
G01R23/04
主分类号
G01R23/04
代理机构
代理人
主权项
地址
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