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发明名称
EXPENDABLE TRANSMISSION LOSS HYDROPHONE SYSTEM
摘要
申请公布号
US3496525(A)
申请公布日期
1970.02.17
申请号
USD3496525
申请日期
1968.05.29
申请人
BUZZARDS CORP.
发明人
SAMUEL A. FRANCIS
分类号
G01N29/032;G01S1/72;(IPC1-7):H04B13/00
主分类号
G01N29/032
代理机构
代理人
主权项
地址
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