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ERECTING METHOD OF PLUMBER FOR AUTOMATICALLY OPERATED DISASTER WARNING APPARATUS
ERECTING METHOD OF PLUMBER FOR AUTOMATICALLY OPERATED DISASTER WARNING APPARATUS
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机译:自动操作的灾害预警装置的立杆安装方法
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摘要
In the present invention, a noise generator, a light generator, and a smoke generator are installed in a pipe body to more effectively alert the driver of a disaster, and the pipe body is erected by using an excavator smaller than a crane, It is a method of erecting the body of a fully automatic emergency alert system that can erect the body.;
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