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发明名称
Dispositif chronométrique, applicable en particulier aux sondages acoustiques
摘要
申请公布号
FR779392(A)
申请公布日期
1935.04.03
申请号
FRD779392
申请日期
1933.12.30
申请人
发明人
BOUSCAREN GUY
分类号
G01S15/93
主分类号
G01S15/93
代理机构
代理人
主权项
地址
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