发明名称 |
Process and apparatus for investigating the activity of a cathodic protection unit |
摘要 |
A method and apparatus for remotely measuring the cathodic protection level on a cathodically protected structure. The method uses a remote apparatus to measure the cathodic protection level and convert it to a related acoustic signal that is transmitted via the structure or surrounding media to a conveniently located receiving location.
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申请公布号 |
US4090170(A) |
申请公布日期 |
1978.05.16 |
申请号 |
US19760740904 |
申请日期 |
1976.11.11 |
申请人 |
SHELL OIL COMPANY |
发明人 |
LINCKLAEN-ARRIENS, JAN;VAN TILBURG, ALFRED;VAN WAART, TEUNIS L. |
分类号 |
C23F13/04;G01N17/02;G01N27/416;(IPC1-7):H04B11/00 |
主分类号 |
C23F13/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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