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Telecom manhole cover is heavy square manhole cover. The cover lack of one corner and the frame has the corresponding increased corner. You can put the cover into the frame according to the corresponding corner. On the surface of the cover has two little groove,you can lift the cover through these grooves. On the back of the cover has several protuberant bulge,can fix the cover on the frame. Typical Applications--- Municipal manhole cover Triangular manhole cover
Key words : manhole cover gully grate round manhole cover square manhole cover Tree grates Water meter box Cast iron pig flooring Balance weight
