Text and office systems - Keyboards - Part 11: German keyboard for data and text processing as well as for typewriters; Principles governing the allocation of characters or functions to keys and the placement of their symbols on the keys
文本和办公系统.键盘.第11部分:数据和文本处理以及打字机用德语键盘;将字符或功能分配给键并将其符号放置在键上的原则