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发明名称
DOPPLER SONAR APPARAT MED PARAMETRISK ANTENNE.
摘要
申请公布号
NO155987(B)
申请公布日期
1987.03.23
申请号
NO19810000978
申请日期
1981.03.23
申请人
SPERRY CORPORATION
发明人
KRITZ, JACOB ABRAHAM
分类号
H04R1/44;G01S7/521;G01S15/02;G01S15/50;G01S15/60;G10K11/30;(IPC1-7):G01S15/60;G01S7/52
主分类号
H04R1/44
代理机构
代理人
主权项
地址
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