KR970021318U - Blackboard with Learning Puzzle - Google Patents

Blackboard with Learning Puzzle

Info

Publication number
KR970021318U
KR970021318U KR2019970005125U KR19970005125U KR970021318U KR 970021318 U KR970021318 U KR 970021318U KR 2019970005125 U KR2019970005125 U KR 2019970005125U KR 19970005125 U KR19970005125 U KR 19970005125U KR 970021318 U KR970021318 U KR 970021318U
Authority
KR
South Korea
Prior art keywords
blackboard
learning puzzle
puzzle
learning
Prior art date
Application number
KR2019970005125U
Other languages
Korean (ko)
Inventor
송하천
Original Assignee
송하천
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 송하천 filed Critical 송하천
Priority to KR2019970005125U priority Critical patent/KR970021318U/en
Publication of KR970021318U publication Critical patent/KR970021318U/en

Links

KR2019970005125U 1997-03-19 1997-03-19 Blackboard with Learning Puzzle KR970021318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019970005125U KR970021318U (en) 1997-03-19 1997-03-19 Blackboard with Learning Puzzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019970005125U KR970021318U (en) 1997-03-19 1997-03-19 Blackboard with Learning Puzzle

Publications (1)

Publication Number Publication Date
KR970021318U true KR970021318U (en) 1997-06-18

Family

ID=60838913

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019970005125U KR970021318U (en) 1997-03-19 1997-03-19 Blackboard with Learning Puzzle

Country Status (1)

Country Link
KR (1) KR970021318U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210121442A (en) * 2020-03-30 2021-10-08 한승희 Detachable sliding puzzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210121442A (en) * 2020-03-30 2021-10-08 한승희 Detachable sliding puzzle

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Legal Events

Date Code Title Description
A201 Request for examination
G15R Request for early opening
E902 Notification of reason for refusal
E601 Decision to refuse application