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发明名称
Gerät zum Messen der Schwerebeschleunigung.
摘要
申请公布号
AT156916(B)
申请公布日期
1939.09.11
申请号
ATD156916
申请日期
1938.02.14
申请人
N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
分类号
G01V7/08
主分类号
G01V7/08
代理机构
代理人
主权项
地址
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