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经营范围
发明名称
Gravimeters
摘要
申请公布号
US2978906(A)
申请公布日期
1961.04.11
申请号
US19580728438
申请日期
1958.04.14
申请人
ASKANIA-WERKE A. G.
发明人
HAALCK FRITZ
分类号
G01V7/04
主分类号
G01V7/04
代理机构
代理人
主权项
地址
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