KR960030770U - 칠판의 배판구조 - Google Patents

칠판의 배판구조

Info

Publication number
KR960030770U
KR960030770U KR2019950006146U KR19950006146U KR960030770U KR 960030770 U KR960030770 U KR 960030770U KR 2019950006146 U KR2019950006146 U KR 2019950006146U KR 19950006146 U KR19950006146 U KR 19950006146U KR 960030770 U KR960030770 U KR 960030770U
Authority
KR
South Korea
Prior art keywords
blackboard
distribution
blackboard distribution
Prior art date
Application number
KR2019950006146U
Other languages
English (en)
Other versions
KR0113540Y1 (ko
Inventor
장창호
Original Assignee
한국흑판교재 주식회사
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 한국흑판교재 주식회사 filed Critical 한국흑판교재 주식회사
Priority to KR2019950006146U priority Critical patent/KR0113540Y1/ko
Publication of KR960030770U publication Critical patent/KR960030770U/ko
Application granted granted Critical
Publication of KR0113540Y1 publication Critical patent/KR0113540Y1/ko

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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Drawing Aids And Blackboards (AREA)
KR2019950006146U 1995-03-30 1995-03-30 칠판의 배판구조 KR0113540Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950006146U KR0113540Y1 (ko) 1995-03-30 1995-03-30 칠판의 배판구조

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950006146U KR0113540Y1 (ko) 1995-03-30 1995-03-30 칠판의 배판구조

Publications (2)

Publication Number Publication Date
KR960030770U true KR960030770U (ko) 1996-10-22
KR0113540Y1 KR0113540Y1 (ko) 1998-04-15

Family

ID=19410379

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950006146U KR0113540Y1 (ko) 1995-03-30 1995-03-30 칠판의 배판구조

Country Status (1)

Country Link
KR (1) KR0113540Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102181431B1 (ko) * 2020-06-12 2020-11-23 위드팀버 주식회사 칠판용 스크린보드의 휨 방지구조

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102181431B1 (ko) * 2020-06-12 2020-11-23 위드팀버 주식회사 칠판용 스크린보드의 휨 방지구조

Also Published As

Publication number Publication date
KR0113540Y1 (ko) 1998-04-15

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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
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee