| 摘要 |
<p>Provided is an electric potential measurement box of a buried pipe including: a cylindrical main body which can open and close a cover easily as preventing fixedness of the cover, and is buried underground in order to perform an electric potential measurement work more conveniently; and the cover for opening and closing the open upper part of the main body by being separated from the main body. The main body has a support placed with the cover along an upper inner circumference, and the cover includes an upper plate placed on the support of the main body and an insertion part inserted into the main body as being installed on the lower part of the upper plate.</p> |
