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发明名称
Sound locator
摘要
申请公布号
US1889363(A)
申请公布日期
1932.11.29
申请号
US19310524664
申请日期
1931.03.23
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
HOUSE FRANK R.
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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