DB50／T 771-2017 地下管线探测技术规范.pdf-2020-10-12-23-27-44-950.docx

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1、ICS93.020DB50P13备案号：55954-2017重庆市地方标准DB50/T771—2017地下管线探测技术规范Technicalspecificationsforundergroundpipelinesdetectionandsurvey2017-08-15发布2017-11-01实施重庆市质量技术监督局发布IDB50/T771-2017目次前言..................................................................................................

2、.......................................................IV1范围.........................................................................................................................................................12规范性引用文件........................................................

3、.............................................................................13术语和代号.............................................................................................................................................13.1术语...............................................

4、..................................................................................................13.2符号.................................................................................................................................................23.3代号.......................

5、..........................................................................................................................24基本规定.................................................................................................................................................24.1一

6、般规定.........................................................................................................................................24.2定位基准..................................................................................................................................

7、.......34.3技术要求.........................................................................................................................................34.4工作内容与流程...................................................................................................................

8、..........55技术准备......................................