Equipment used to produce such a graph or tracing in facsimile transmission.
Equipment used to produce such a graph or tracing in facsimile transmission.
传真电报机传真通信中用以制作这样的图表或映描图的设备
Equipment used to produce such a graph or tracing in facsimile transmission.
传真电报机传真通信中用以制作这样的图表或映描图的设备