Mathematical probability demonstration device

The utility model discloses a mathematical probability demonstration device. The device comprises a demonstration box and a fixed base. The bottom of the demonstration box is provided with a through hole with a valve. A collecting tank is fixedly welded at the bottom of the demonstration box; a holl...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHANG RUYIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!