Special piano hand -type unscrambler of children

The utility model relates to a special piano hand -type unscrambler of children, it includes left base, right base, left telescopic link, right telescopic link, left supporting component, right supporting component, left connecting piece, right connecting piece, horizontal bracing piece, the lower e...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	XU KEZHEN
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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