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经营范围
发明名称
Improvements in or relating to gravity meters
摘要
申请公布号
GB513654(A)
申请公布日期
1939.10.18
申请号
GB19380009501
申请日期
1938.03.28
申请人
ASKANIA-WERKE AKTIENGESELLSCHAFT
发明人
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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