GB/T 35429-2017Classification and codes for quality technology services (English PDF)

1 Scope

This standard specifies the quality of technical services coding method structure and classification code table.

This standard applies to the quality of technical services system design and construction, as well as the selection of quality and technical services, management and statistics.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 7027-2002 Information classification and coding of the basic principles and methods

3 Terms and definitions

The following terms and definitions apply to this document.

4 classification principle

5 encoding method

Quality technical services in this standard are divided into two major categories and sub-categories.

The classification codes are represented by four-digit codes. Among them, the first place, second place for the first floor, said the major categories, third place, fourth place for the first

Second floor, said the small class. The codes of the major and minor categories use the ordinal code specified in GB/T 7027-2002. When the code only standard

When you recognize a large class, you use the two codes of the large class. When the code identifies the small class, you use the four-digit code of the large class and the small class.

Quality technical service classification structure and coding structure shown in Figure 1.