TW500253U - Reel type auxiliary device of the musical scale learning for the keyboard instrument - Google Patents

Reel type auxiliary device of the musical scale learning for the keyboard instrument

Info

Publication number
TW500253U
TW500253U TW90220969U TW90220969U TW500253U TW 500253 U TW500253 U TW 500253U TW 90220969 U TW90220969 U TW 90220969U TW 90220969 U TW90220969 U TW 90220969U TW 500253 U TW500253 U TW 500253U
Authority
TW
Taiwan
Prior art keywords
auxiliary device
keyboard instrument
type auxiliary
reel type
musical scale
Prior art date
Application number
TW90220969U
Other languages
Chinese (zh)
Inventor
Wei-Jr Chen
Original Assignee
Wei-Jr Chen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wei-Jr Chen filed Critical Wei-Jr Chen
Priority to TW90220969U priority Critical patent/TW500253U/en
Publication of TW500253U publication Critical patent/TW500253U/en

Links

TW90220969U 2001-12-03 2001-12-03 Reel type auxiliary device of the musical scale learning for the keyboard instrument TW500253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW90220969U TW500253U (en) 2001-12-03 2001-12-03 Reel type auxiliary device of the musical scale learning for the keyboard instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW90220969U TW500253U (en) 2001-12-03 2001-12-03 Reel type auxiliary device of the musical scale learning for the keyboard instrument

Publications (1)

Publication Number Publication Date
TW500253U true TW500253U (en) 2002-08-21

Family

ID=21687526

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90220969U TW500253U (en) 2001-12-03 2001-12-03 Reel type auxiliary device of the musical scale learning for the keyboard instrument

Country Status (1)

Country Link
TW (1) TW500253U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004