This standard lists the model series of various types of instruments in the DDZ-Ⅲ series electric unit combination instruments except the execution unit type. This standard applies to all types of DDZ-Ⅲ series electric unit combination instruments except the execution unit type.
JB/T 9267.1-1999 history
1999JB/T 9267.1-1999 DDZ-Ⅲ series process electronic control system.Type series