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A device that can check and operate the communication cable air pressure checker without entering the manhole
A device that can check and operate the communication cable air pressure checker without entering the manhole
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机译:一种无需进入检修孔即可检查和操作通讯电缆气压检查器的设备
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摘要
The present invention relates to an apparatus capable of checking and operating a communication cable pneumatic checker without entering the inside of a manhole, in which the position of the rectangular tube 10 can be moved and a tension spring and a wire are used to form the square tube 30 ) Is extended.
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