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经营范围
发明名称
PASSIVE SONIC LOCATING SYSTEM
摘要
申请公布号
US3506954(A)
申请公布日期
1970.04.14
申请号
USD3506954
申请日期
1967.04.20
申请人
DYNAMICS CORP. OF AMERICA
发明人
FRANK MASSA
分类号
G01S3/808;G01S5/22;(IPC1-7):G01S3/00;G01S5/18
主分类号
G01S3/808
代理机构
代理人
主权项
地址
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