CJ/T 448-2014
城镇燃气加臭装置
Odorization unit for city gas
2014-03-27
QX/T 109-2021
城镇燃气雷电防护技术规范
Technical specification for lishtning protection of city gas
2021-07-16
WS 714-2012
城镇燃气行业防尘防毒技术规范
Technical specification of dust and poison control for city gas industry
2012-03-31
CJJ/T 215-2014
城镇燃气管网泄漏检测技术规程(附条文说明)
Technical specification for leak detection of city gas piping system
2014-03-27
CJJ/T 147-2010
城镇燃气管道非开挖修复更新工程技术规程(附条文说明)
Technical specification for trenchless rehabilitation and replacement engineering of city gas pipe
2010-07-23
CJJ/T 250-2016
城镇燃气管道穿跨越工程技术规程(附条文说明)
Technical specification for crossing and aerial crossing engineering of city gas pipeline
2016-06-06
GB/T 28885-2012
燃气服务导则
Specifications for City gas service
2012-11-05
CJJ/T 259-2016
城镇燃气自动化系统技术规范(附条文说明)
Technical code for automatic system of city gas
2016-11-15
CJJ 95-2013
城镇燃气埋地钢质管道腐蚀控制技术规程(附条文说明)
Technical specification for external corrosion control of buried steel pipeline for city gas
2013-11-08
CJJ 51-2016
城镇燃气设施运行、维护和抢修安全技术规程(附条文说明)
Safety technical specification for operation,maintenance and rush-repair of city gas facilities
2016-06-06
CJJ/T 268-2017
城镇燃气工程智能化技术规范(附条文说明)
Technical code for intellectualization of city gas system englneenng
2017-03-23
CJJ 139-2010
城市桥梁桥面防水工程技术规程(附条文说明)
Technical specification for waterproofing of city bridge decks
2010-01-08
JT/T 1343-2020
双源电动城市客车技术规范
Technical specifications for dual-source electric city bus
2020-10-30
CJJ 88-2014
城镇供热系统运行维护技术规程(附条文说明)
Technical specification for operation and maintenance of city heating system
2014-04-02
CJJ/T 108-2006
城市道路除雪作业技术规程(附条文说明)
Technical specification of snow remove operation for city road
2006-01-11
CJJ 58-2009
城镇供水厂运行、维护及安全技术规程(附条文说明)
Technical specification for operation,maintenance and safety of city and town waterworks
2009-11-24
CJJ/T 104-2014
城镇供热直埋蒸汽管道技术规程(附条文说明)
Technical specification for directly buried steam heating pipeline in city
2014-04-16
CJJ/T 81-2013
城镇供热直埋热水管道技术规程(附条文说明)
Technical specification for directly buried hot-water heating pipeline in city
2013-07-26
CJJ/T 226-2014
城镇供水管网抢修技术规程(附条文说明)
Technical specification for rush-repair of water supply network in city and town
2014-07-31
GOST R 56249-2014
Сера газовая техническая. Технические условия
技术气硫 规格