KR970061093U - 승하강 칠판 - Google Patents

승하강 칠판

Info

Publication number
KR970061093U
KR970061093U KR2019960011768U KR19960011768U KR970061093U KR 970061093 U KR970061093 U KR 970061093U KR 2019960011768 U KR2019960011768 U KR 2019960011768U KR 19960011768 U KR19960011768 U KR 19960011768U KR 970061093 U KR970061093 U KR 970061093U
Authority
KR
South Korea
Prior art keywords
blackboard
Prior art date
Application number
KR2019960011768U
Other languages
English (en)
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 filed Critical
Priority to KR2019960011768U priority Critical patent/KR970061093U/ko
Publication of KR970061093U publication Critical patent/KR970061093U/ko

Links

KR2019960011768U 1996-05-14 1996-05-14 승하강 칠판 KR970061093U (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019960011768U KR970061093U (ko) 1996-05-14 1996-05-14 승하강 칠판

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019960011768U KR970061093U (ko) 1996-05-14 1996-05-14 승하강 칠판

Publications (1)

Publication Number Publication Date
KR970061093U true KR970061093U (ko) 1997-12-10

Family

ID=60926835

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019960011768U KR970061093U (ko) 1996-05-14 1996-05-14 승하강 칠판

Country Status (1)

Country Link
KR (1) KR970061093U (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100329399B1 (ko) * 2000-02-14 2002-03-28 윤수완 칠판의 승강장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100329399B1 (ko) * 2000-02-14 2002-03-28 윤수완 칠판의 승강장치

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee