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This standard specifies the performance parameters, product models, technical requirements, test items and inspection rules, marki
This standard specifies the method for compiling the model of low-voltage electrical products. JB/T 2930-1991 Method for compiling
JB/T 2924-1999 This standard is a revision of JB 2924-81 "Method for compiling machine tool electrical appliance models". During t
This standard specifies the specified working conditions, technical performance, test methods and inspection rules, as well as mar
This standard specifies the technical requirements for anti-rust materials of main components of steam turbines. This standard is
This standard specifies the main paint materials, processes and quality indicators of steam turbine paint. This standard applies t
This standard specifies the specifications, technical requirements, marking and packaging of X2 wedge cards. JB/T 2878.2-1999 X2 w
This standard specifies the specifications, technical requirements, marking and packaging of X1 wedge cards. JB/T 2878.1-1999 X1 w