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气体管道颜色国家标准
释义
根据国家GB 7231—2003标准,对管道内物质的一般性能,分为八类,并规定了八种基本识别色和相应的颜色标准编号。管道的标识方法 3.3.1在管道上进行带箭头的色环标识,其宽度根据管道的直径而定。 3.3.2管道是直线时,两个标识之间的最小距离应为10m
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administrative department in charge of import and export commodity inspection
administrative department in charge of joint ventures
administrative department in charge of justice
administrative department in charge of labor
administrative department in charge of land
administrative department in charge of machine-building industry
administrative department in charge of mineral resources
administrative department in charge of patent
administrative department in charge of personnel matters
administrative department in charge of physical culture and sports
administrative department in charge of planning
administrative department in charge of postal service
administrative department in charge of post and telecommunications
administrative department in charge of price control
administrative department in charge of railroads
administrative department in charge of raw and semifinished materials industries
administrative department in charge of realty management
administrative department in charge of supervision
administrative department in charge of surveying and mapping
administrative department in charge of taxation
administrative department in charge of telecommunications
administrative department in charge of textile and other light industries
administrative department in charge of the auto industry
administrative department in charge of the chemical industry
administrative department in charge of the coal industry
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更新时间:2025/7/31 12:54:59