KR850003223Y1 - Blackboard - Google Patents

Blackboard

Info

Publication number
KR850003223Y1
KR850003223Y1 KR848401011U KR840001011U KR850003223Y1 KR 850003223 Y1 KR850003223 Y1 KR 850003223Y1 KR 848401011 U KR848401011 U KR 848401011U KR 840001011 U KR840001011 U KR 840001011U KR 850003223 Y1 KR850003223 Y1 KR 850003223Y1
Authority
KR
South Korea
Prior art keywords
blackboard
Prior art date
Application number
KR848401011U
Other languages
Korean (ko)
Inventor
Do-Jang So
Original Assignee
So Do Jang
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 So Do Jang filed Critical So Do Jang
Priority to KR848401011U priority Critical patent/KR850003223Y1/en
Application granted granted Critical
Publication of KR850003223Y1 publication Critical patent/KR850003223Y1/en

Links

KR848401011U 1984-02-09 1984-02-09 Blackboard KR850003223Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR848401011U KR850003223Y1 (en) 1984-02-09 1984-02-09 Blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR848401011U KR850003223Y1 (en) 1984-02-09 1984-02-09 Blackboard

Publications (1)

Publication Number Publication Date
KR850003223Y1 true KR850003223Y1 (en) 1985-12-28

Family

ID=19233024

Family Applications (1)

Application Number Title Priority Date Filing Date
KR848401011U KR850003223Y1 (en) 1984-02-09 1984-02-09 Blackboard

Country Status (1)

Country Link
KR (1) KR850003223Y1 (en)

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration
NORF Unpaid initial registration fee