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发明名称
Sand- und Schotterablagerungs-Anzeiger
摘要
申请公布号
AT228131(B)
申请公布日期
1963.06.25
申请号
AT19610006830
申请日期
1961.09.07
申请人
ELECTRICITE DE FRANCE (SERVICE NATIONAL)
发明人
JEAN BOURNE-CHASTEL;ROGER MAITRE
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