Vocal music comparator

The utility model discloses a vocal music comparator, and relates to a vocal music comparator. An adjusting part comprises an n-shaped frame (5), the n-shaped frame (5) is connected with a shaft sleeve (6), the shaft sleeve (6) is connected with a sound insulation sheet (4), the shaft sleeve (6) is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YIN JINLIANG, LENG XIAOYANG, CHENG DING
Format:	Patent
Sprache:	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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