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CJ 13-1986 Dangerous House Identification Standard CJ13-86 CJ13-1986 Standard download decompression password: www.bzxz.net
This standard is formulated to meet the needs of the development of municipal engineering construction, unify the municipal engine
This specification is formulated to ensure the quality of steel slag lime road base construction, accelerate the rational use of s
In order to meet the needs of the development of municipal engineering construction, unify the quality inspection methods and eval
This specification is used for the design, construction and acceptance of domestic drinking water and industrial production water