KR860011715U - 흑판지우개 협지구 - Google Patents

흑판지우개 협지구

Info

Publication number
KR860011715U
KR860011715U KR2019850002241U KR850002241U KR860011715U KR 860011715 U KR860011715 U KR 860011715U KR 2019850002241 U KR2019850002241 U KR 2019850002241U KR 850002241 U KR850002241 U KR 850002241U KR 860011715 U KR860011715 U KR 860011715U
Authority
KR
South Korea
Prior art keywords
blackboard eraser
eraser
blackboard
Prior art date
Application number
KR2019850002241U
Other languages
English (en)
Other versions
KR870003690Y1 (ko
Inventor
장해룡
Original Assignee
장해룡
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 장해룡 filed Critical 장해룡
Priority to KR2019850002241U priority Critical patent/KR870003690Y1/ko
Publication of KR860011715U publication Critical patent/KR860011715U/ko
Application granted granted Critical
Publication of KR870003690Y1 publication Critical patent/KR870003690Y1/ko

Links

KR2019850002241U 1985-03-07 1985-03-07 흑판지우개 협지구 KR870003690Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850002241U KR870003690Y1 (ko) 1985-03-07 1985-03-07 흑판지우개 협지구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850002241U KR870003690Y1 (ko) 1985-03-07 1985-03-07 흑판지우개 협지구

Publications (2)

Publication Number Publication Date
KR860011715U true KR860011715U (ko) 1986-10-04
KR870003690Y1 KR870003690Y1 (ko) 1987-10-21

Family

ID=19240391

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850002241U KR870003690Y1 (ko) 1985-03-07 1985-03-07 흑판지우개 협지구

Country Status (1)

Country Link
KR (1) KR870003690Y1 (ko)

Also Published As

Publication number Publication date
KR870003690Y1 (ko) 1987-10-21

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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