JPS5621351B2 - - Google Patents

Info

Publication number
JPS5621351B2
JPS5621351B2 JP9005976A JP9005976A JPS5621351B2 JP S5621351 B2 JPS5621351 B2 JP S5621351B2 JP 9005976 A JP9005976 A JP 9005976A JP 9005976 A JP9005976 A JP 9005976A JP S5621351 B2 JPS5621351 B2 JP S5621351B2
Authority
JP
Japan
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
JP9005976A
Other languages
Japanese (ja)
Other versions
JPS5315932A (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 JP9005976A priority Critical patent/JPS5315932A/ja
Publication of JPS5315932A publication Critical patent/JPS5315932A/ja
Publication of JPS5621351B2 publication Critical patent/JPS5621351B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP9005976A 1976-07-28 1976-07-28 Ruled enameled writing board and method of manufacturing the same Granted JPS5315932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9005976A JPS5315932A (en) 1976-07-28 1976-07-28 Ruled enameled writing board and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9005976A JPS5315932A (en) 1976-07-28 1976-07-28 Ruled enameled writing board and method of manufacturing the same

Publications (2)

Publication Number Publication Date
JPS5315932A JPS5315932A (en) 1978-02-14
JPS5621351B2 true JPS5621351B2 (enrdf_load_stackoverflow) 1981-05-19

Family

ID=13987993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9005976A Granted JPS5315932A (en) 1976-07-28 1976-07-28 Ruled enameled writing board and method of manufacturing the same

Country Status (1)

Country Link
JP (1) JPS5315932A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030028646A (ko) * 2001-09-25 2003-04-10 김영자 원적외선 방사용 칠판 및 그 제작방법
JP4790442B2 (ja) * 2005-12-14 2011-10-12 株式会社森山鉄工 折畳み式脚立
JP6302342B2 (ja) * 2014-04-24 2018-03-28 Ｊｆｅ建材株式会社 映像認識性に優れた暗線付き映写黒板

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113832A (en) * 1976-03-22 1977-09-24 Shingo Mizuno Enameled writing board

Also Published As

Publication number Publication date
JPS5315932A (en) 1978-02-14

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