DB23/T 1496.19-2012 Part 19 of the standard for the provision of labor protection articles: Glass, ceramics, enamel and their products production and processing personnel (English Version)
2021DB23/T 1496.19-2021 Equipment for labor protection articles Part 19: Production and processing personnel of glass, ceramics, enamel and their products
2012DB23/T 1496.19-2012 Part 19 of the standard for the provision of labor protection articles: Glass, ceramics, enamel and their products production and processing personnel