Financial calculator

The finance calculator relates to the technical field of financial equipment and comprises a calculator body and a storage box, a spring limiting mechanism is arranged on the inner wall of the storage box, a cleaning brush is fixedly connected to the inner wall, close to the top, of the storage box,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CAO YUQIN, YANG SHUXIANG, ZHU SHUNQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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