JPS5823675Y2 - 黒板 - Google Patents

黒板

Info

Publication number
JPS5823675Y2
JPS5823675Y2 JP1980151387U JP15138780U JPS5823675Y2 JP S5823675 Y2 JPS5823675 Y2 JP S5823675Y2 JP 1980151387 U JP1980151387 U JP 1980151387U JP 15138780 U JP15138780 U JP 15138780U JP S5823675 Y2 JPS5823675 Y2 JP S5823675Y2
Authority
JP
Japan
Prior art keywords
blackboard
frame member
protruding
writing instrument
protrusion
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP1980151387U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5773193U (enrdf_load_stackoverflow
Inventor
慶治 荒木
Original Assignee
日本プライメタル株式会社
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 日本プライメタル株式会社 filed Critical 日本プライメタル株式会社
Priority to JP1980151387U priority Critical patent/JPS5823675Y2/ja
Publication of JPS5773193U publication Critical patent/JPS5773193U/ja
Application granted granted Critical
Publication of JPS5823675Y2 publication Critical patent/JPS5823675Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1980151387U 1980-10-22 1980-10-22 黒板 Expired JPS5823675Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980151387U JPS5823675Y2 (ja) 1980-10-22 1980-10-22 黒板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980151387U JPS5823675Y2 (ja) 1980-10-22 1980-10-22 黒板

Publications (2)

Publication Number Publication Date
JPS5773193U JPS5773193U (enrdf_load_stackoverflow) 1982-05-06
JPS5823675Y2 true JPS5823675Y2 (ja) 1983-05-20

Family

ID=29510724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980151387U Expired JPS5823675Y2 (ja) 1980-10-22 1980-10-22 黒板

Country Status (1)

Country Link
JP (1) JPS5823675Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200448629Y1 (ko) * 2009-11-02 2010-05-03 (주)딥스원 보드 거치대 구조

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4118728Y1 (enrdf_load_stackoverflow) * 1964-10-23 1966-09-01
JPS5397042U (enrdf_load_stackoverflow) * 1977-01-10 1978-08-07

Also Published As

Publication number Publication date
JPS5773193U (enrdf_load_stackoverflow) 1982-05-06

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