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发明名称
FLEXIBLE DIAPHRAGM TYPE HYDROPHONE
摘要
申请公布号
GB1493840(A)
申请公布日期
1977.11.30
申请号
GB19750007702
申请日期
1975.02.24
申请人
FR MINISTER OF ARMED FORCES
发明人
分类号
B06B1/06;(IPC1-7):H04R1/44
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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PRINTED MATTER
