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经营范围
发明名称
Phase indicator
摘要
申请公布号
US2036444(A)
申请公布日期
1936.04.07
申请号
US19340759670
申请日期
1934.12.29
申请人
RADIO CORPORATION OF AMERICA
发明人
TOLSON WILLIAM A.
分类号
G01C17/30;G01R25/00;G01R29/08;G01S3/30;G01S3/64;G01V3/00;G04D7/12
主分类号
G01C17/30
代理机构
代理人
主权项
地址
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