TW388367U - Improvement of blackboard eraser cleaning device - Google Patents

Improvement of blackboard eraser cleaning device

Info

Publication number
TW388367U
TW388367U TW87221094U TW87221094U TW388367U TW 388367 U TW388367 U TW 388367U TW 87221094 U TW87221094 U TW 87221094U TW 87221094 U TW87221094 U TW 87221094U TW 388367 U TW388367 U TW 388367U
Authority
TW
Taiwan
Prior art keywords
improvement
cleaning device
blackboard eraser
eraser cleaning
blackboard
Prior art date
Application number
TW87221094U
Other languages
Chinese (zh)
Inventor
Kuen-Hung Lin
Jia-Rung Yang
Yi-Sheng Jeng
Original Assignee
Lin Kuen Hung
Yang Jia Rung
Jeng Yi Sheng
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 Lin Kuen Hung, Yang Jia Rung, Jeng Yi Sheng filed Critical Lin Kuen Hung
Priority to TW87221094U priority Critical patent/TW388367U/en
Publication of TW388367U publication Critical patent/TW388367U/en

Links

TW87221094U 1998-12-18 1998-12-18 Improvement of blackboard eraser cleaning device TW388367U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW87221094U TW388367U (en) 1998-12-18 1998-12-18 Improvement of blackboard eraser cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW87221094U TW388367U (en) 1998-12-18 1998-12-18 Improvement of blackboard eraser cleaning device

Publications (1)

Publication Number Publication Date
TW388367U true TW388367U (en) 2000-04-21

Family

ID=21638683

Family Applications (1)

Application Number Title Priority Date Filing Date
TW87221094U TW388367U (en) 1998-12-18 1998-12-18 Improvement of blackboard eraser cleaning device

Country Status (1)

Country Link
TW (1) TW388367U (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
MM4K Annulment or lapse of a utility model due to non-payment of fees