Real device of instructing of track traffic signals switch emulation

The utility model provides a real device of instructing of track traffic signals switch emulation, its structure includes assembly jig, transfer orbital control ware, signal lamp, speech screen, simulates basic rail, assembly jig and transfer orbital control ware fixed connection, the signal lamp is...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WEI DEFEN
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
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