This part of GB/T 13667 specifies the terms and definitions, product classification, requirements, test methods, acceptance rules and signs, packaging, transportation and storage of electric dense bookshelves. This section applies to electric dense bookshelves.
GB/T 13667.4-2003 history
2013GB/T 13667.4-2013 Steel book shelves.Part 4:Electric dense bookshelf
2003GB/T 13667.4-2003 Technical specification for electric book shelves