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发明名称
摘要
申请公布号
FR2198065(B1)
申请公布日期
1979.09.21
申请号
FR19730031573
申请日期
1973.08.31
申请人
HYDROACOUSTICS INC
发明人
分类号
B25D9/12;B06B1/18;B25D9/18;F15B21/12;G01V1/155;(IPC1-7):B25D9/04;F03C1/00
主分类号
B25D9/12
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代理人
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