| 摘要 |
<p>Cathodic protection device with sacrificial anode comprising at least a sacrificial anode (1) intended to wear out due to corrosion that is electrically connected to at least a structure (5) to be protected against corrosion wherein said device further comprises at least an indication device (2,3) designed to detect and indicate the wear of said sacrificial anode said detection being carried out by means using no cables or so called wireless means.
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