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发明名称
GERAET ZUR ERREGUNG VON AKUSTISCHEN WELLEN MITTELS EINER SCHLAGMASSE, DIE AUF EIN MIT DER BOHRLOCHWAND VERBUNDENES TREFFELEMENT FAELLT.
摘要
申请公布号
DE68901567(D1)
申请公布日期
1992.06.25
申请号
DE1989601567
申请日期
1989.03.21
申请人
INSTITUT FRANCAIS DU PETROLE, RUEIL-MALMAISON, HAUTS-DE-SEINE, FR
发明人
MEYNIER, PATRICK, F-78400 CHATOU, FR
分类号
G01V1/02;G01V1/147;(IPC1-7):G01V1/147;G01V1/40
主分类号
G01V1/02
代理机构
代理人
主权项
地址
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