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发明名称
Perfectionnement aux vibrateurs
摘要
申请公布号
FR1417979(A)
申请公布日期
1965.11.19
申请号
FR19620914306
申请日期
1962.11.03
申请人
INSTITUT FRANCAIS DU PETROLE, DES CARBURANTS ET LUBRIFIANTS;COMPAGNIE GENERALE DE GEOPHYSIQUE
发明人
CHOLET JACQUES;GRAU GERARD;LAVERGNE MICHEL
分类号
G01V1/145;G01V1/155;H02K33/18
主分类号
G01V1/145
代理机构
代理人
主权项
地址
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