This standard specifies the method of writing limit values, the meaning of related terms, and the method of comparing measured values or calculated values with the limit values specified in the standard. This standard applies to the writing of standards at all levels and the determination of test results.
GB/T 1250-1989 history
2008GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
1989GB/T 1250-1989 Rules for expression and judgement of limiting values
GB/T 1250-1989 Rules for expression and judgement of limiting values was changed to GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values.