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发明名称
Procédé pour déterminer les variations des composantes horizontales de la pesanteur
摘要
申请公布号
FR844381(A)
申请公布日期
1939.07.24
申请号
FRD844381
申请日期
1938.10.06
申请人
BOLIDENS GRUVAKTIEBOLAG
发明人
分类号
G01V7/00
主分类号
G01V7/00
代理机构
代理人
主权项
地址
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