Urban construction industry standards (CJ)下载-第8页-标准下载网-www.bzxz.net

CJJ 28-1989 Specification for Construction and Acceptance of Urban Heating Pipeline Network Projects CJJ28-89

CJJ 28-1989
CJJ 26-1989 Technical Grade Standard for House Construction Workers CJJ26-89

CJJ 26-1989
CJJ 24-1989 Technical Grade Standards for Urban Gas and Heat Workers

CJJ 24-1989
CJJ 23-1989 Technical Grade Standards for Workers in Urban Water Supply Industry CJJ23-89

CJJ 23-1989
CJJ 20-1989 Technical Grade Standards for Urban Gardening Workers CJJ20-89

CJJ 20-1989
CJJ 18-1988 Technical Grade Standards for Municipal Engineering Construction, Maintenance and Sewage Treatment Workers CJJ18-88

CJJ 18-1988
CJJ 16-1988 Specification for Hydrogeological Survey for Urban Water Supply CJJ16-88

CJJ 16-1988
CJJ 14-1987 Urban Public Toilet Planning and Design Standard CJJ14-87

CJJ 14-1987