TW454707U - Improved structure of tutorial blackboard eraser - Google Patents

Improved structure of tutorial blackboard eraser

Info

Publication number
TW454707U
TW454707U TW89222174U TW89222174U TW454707U TW 454707 U TW454707 U TW 454707U TW 89222174 U TW89222174 U TW 89222174U TW 89222174 U TW89222174 U TW 89222174U TW 454707 U TW454707 U TW 454707U
Authority
TW
Taiwan
Prior art keywords
tutorial
improved structure
blackboard eraser
eraser
blackboard
Prior art date
Application number
TW89222174U
Other languages
Chinese (zh)
Inventor
Guo-Liang Fu
Original Assignee
Huang Shiou Jung
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 Huang Shiou Jung filed Critical Huang Shiou Jung
Priority to TW89222174U priority Critical patent/TW454707U/en
Publication of TW454707U publication Critical patent/TW454707U/en

Links

TW89222174U 2000-12-19 2000-12-19 Improved structure of tutorial blackboard eraser TW454707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW89222174U TW454707U (en) 2000-12-19 2000-12-19 Improved structure of tutorial blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW89222174U TW454707U (en) 2000-12-19 2000-12-19 Improved structure of tutorial blackboard eraser

Publications (1)

Publication Number Publication Date
TW454707U true TW454707U (en) 2001-09-11

Family

ID=21676334

Family Applications (1)

Application Number Title Priority Date Filing Date
TW89222174U TW454707U (en) 2000-12-19 2000-12-19 Improved structure of tutorial blackboard eraser

Country Status (1)

Country Link
TW (1) TW454707U (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