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发明名称
Dispositif de sondage sous-marin par écho
摘要
申请公布号
FR1136851(A)
申请公布日期
1957.05.21
申请号
FRD1136851
申请日期
1955.09.27
申请人
PYE MARINE LIMITED;SOCIETE GENERALE D'ELECTRICITE ET DE RADIO
发明人
分类号
G01S15/96
主分类号
G01S15/96
代理机构
代理人
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