发明授权
US4455937A Printing device 失效
印刷装置

Printing device
摘要:
A printing device of serial type capable of printing characters and symbols in a plurality of different colors on a recording sheet, which is provided with a plurality of character wheels for different colors supported on one and same rotational shaft, each wheel having its own stand-by position different from the other, and a mechanism for selectively shifting either of the character wheels.
公开/授权文献
信息查询
0/0