This standard applies to the preparation method of Dianguangtan product design documents. 1.1 The design files of electro-optical products are divided into drawing files. There are three types of text files and table files. 1. 2 According to the development stage of product production technology, the design documents of electric light source products can be divided into two categories: "design trial production stage documents" and "production stage documents". Production documents are further divided into "small batch production stage documents" and "mass production stage documents".
QB/T 3574-1999 history
1985QB/T 3574-1999 Methods for preparation of the design documents of electric lamps