KR860002648U - blackboard - Google Patents

blackboard

Info

Publication number
KR860002648U
KR860002648U KR2019840007680U KR840007680U KR860002648U KR 860002648 U KR860002648 U KR 860002648U KR 2019840007680 U KR2019840007680 U KR 2019840007680U KR 840007680 U KR840007680 U KR 840007680U KR 860002648 U KR860002648 U KR 860002648U
Authority
KR
South Korea
Prior art keywords
blackboard
Prior art date
Application number
KR2019840007680U
Other languages
Korean (ko)
Other versions
KR860003290Y1 (en
Inventor
강용학
Original Assignee
강용학
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 강용학 filed Critical 강용학
Priority to KR2019840007680U priority Critical patent/KR860003290Y1/en
Publication of KR860002648U publication Critical patent/KR860002648U/en
Application granted granted Critical
Publication of KR860003290Y1 publication Critical patent/KR860003290Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
KR2019840007680U 1984-08-04 1984-08-04 Blackboard KR860003290Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840007680U KR860003290Y1 (en) 1984-08-04 1984-08-04 Blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840007680U KR860003290Y1 (en) 1984-08-04 1984-08-04 Blackboard

Publications (2)

Publication Number Publication Date
KR860002648U true KR860002648U (en) 1986-03-31
KR860003290Y1 KR860003290Y1 (en) 1986-11-22

Family

ID=70161398

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840007680U KR860003290Y1 (en) 1984-08-04 1984-08-04 Blackboard

Country Status (1)

Country Link
KR (1) KR860003290Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11137151A (en) * 1997-11-07 1999-05-25 Yoshitoshi Okuno Electric insecticidal receptacle

Also Published As

Publication number Publication date
KR860003290Y1 (en) 1986-11-22

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Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right