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经营范围
发明名称
GEOPHON MIT EINEM EMPFINDLICHEN ELEMENT AUS PIEZOELEKTRISCHEM POLYMER.
摘要
申请公布号
DE3861628(D1)
申请公布日期
1991.02.28
申请号
DE19883861628
申请日期
1988.05.04
申请人
THOMSON-CSF, PUTEAUX, FR
发明人
GRAGNOLATI, CLAUDE;THOLLON, DIDIER;MALCOR, JEAN-GEORGES, F-75008 PARIS, FR
分类号
G01V1/18;(IPC1-7):G01V1/18
主分类号
G01V1/18
代理机构
代理人
主权项
地址
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