KR840002043Y1 - Blackboard - Google Patents

Blackboard

Info

Publication number
KR840002043Y1
KR840002043Y1 KR8210261U KR820010261U KR840002043Y1 KR 840002043 Y1 KR840002043 Y1 KR 840002043Y1 KR 8210261 U KR8210261 U KR 8210261U KR 820010261 U KR820010261 U KR 820010261U KR 840002043 Y1 KR840002043 Y1 KR 840002043Y1
Authority
KR
South Korea
Prior art keywords
blackboard
Prior art date
Application number
KR8210261U
Other languages
Korean (ko)
Inventor
Sok-Yong Chong
Original Assignee
Chong Sok Yong
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 Chong Sok Yong filed Critical Chong Sok Yong
Priority to KR8210261U priority Critical patent/KR840002043Y1/en
Application granted granted Critical
Publication of KR840002043Y1 publication Critical patent/KR840002043Y1/en

Links

KR8210261U 1982-12-21 1982-12-21 Blackboard KR840002043Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8210261U KR840002043Y1 (en) 1982-12-21 1982-12-21 Blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8210261U KR840002043Y1 (en) 1982-12-21 1982-12-21 Blackboard

Publications (1)

Publication Number Publication Date
KR840002043Y1 true KR840002043Y1 (en) 1984-10-10

Family

ID=19227824

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8210261U KR840002043Y1 (en) 1982-12-21 1982-12-21 Blackboard

Country Status (1)

Country Link
KR (1) KR840002043Y1 (en)

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