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发明名称
Verfahren zur Bestimmung der Struktur und Konfiguration von unterirdischen Schichten.
摘要
申请公布号
AT123278(B)
申请公布日期
1931.06.10
申请号
ATD123278
申请日期
1929.03.05
申请人
SWEDISH AMERICAN PROSPECTING CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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