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经营范围
发明名称
Gravimeter
摘要
申请公布号
US2131737(A)
申请公布日期
1938.10.04
申请号
US19350034824
申请日期
1935.08.05
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
HOYT ARCHER
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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