Invention Grant
- Patent Title: Apparatus for gravity gradient surveying
- Patent Title (中): 重力梯度测量装置
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Application No.: US67123057Application Date: 1957-07-11
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Publication No.: US3011346APublication Date: 1961-12-05
- Inventor: GARVIN WALTER W
- Applicant: CALIFORNIA RESEARCH CORP
- Assignee: California Research Corp
- Current Assignee: California Research Corp
- Priority: US67123057 1957-07-11
- Main IPC: G01V7/16
- IPC: G01V7/16
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