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CJJ 60-1994 Technical regulations for operation, maintenance and safety of urban sewage treatment plants
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This regulation is applicable to urban sewage treatment plants. Industrial and mining wastewater treatment plants and stations can
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 58-1994 Technical regulations for operation, maintenance and safety of urban water supply plants
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This regulation is formulated to enable urban water supply plants to establish a standardized operating mechanism, improve the tec
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 57-1994 Specification for Engineering Geological Survey for Urban Planning
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This specification is formulated to implement the national technical and economic policies in urban planning engineering geologica
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 56-1994 Municipal Engineering Survey Specification
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This specification is formulated to implement the national technical and economic policies in municipal engineering surveys, to ac
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 55-1993 Heating terminology standard
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This standard is formulated to unify heating terms and their definitions, realize the standardization of professional terms, promo
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 51-1992 Technical Specification for Emergency Repair and Maintenance of Urban Gas Pipeline Networks CJJ51-92
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CJJ 51-1992 Technical Specification for Emergency Repair and Maintenance of Urban Gas Pipeline Network CJJ51-92 CJJ51-1992 Standar
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 50-1992 Design Code for Urban Flood Control Projects
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This specification is formulated to prevent and control flood hazards, protect urban safety, and unify the technical requirements
2025-03-15 category：Urban construction industry standards (CJ)+ View
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CJJ 49-1992 Technical Specification for Metro Stray Current Corrosion Protection
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The stray current (stray current) of the subway has a great corrosive effect on urban buildings and the subway itself. In order to
2025-03-15 category：Urban construction industry standards (CJ)+ View
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