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经营范围
发明名称
ANORDNING VED HYDROFON.
摘要
申请公布号
NO155599(C)
申请公布日期
1987.04.22
申请号
NO19840003743
申请日期
1984.09.19
申请人
GEOPHYSICAL COMPANY OF NORWAY A.S
发明人
LARSEN, EIGIL;LIEN, ELDAR;SNOOK, CLIVE
分类号
B06B1/06;(IPC1-7):H04R1/44;H04R17/02
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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