JPS58186Y2 - 計算練習機 - Google Patents

計算練習機

Info

Publication number
JPS58186Y2
JPS58186Y2 JP1979141520U JP14152079U JPS58186Y2 JP S58186 Y2 JPS58186 Y2 JP S58186Y2 JP 1979141520 U JP1979141520 U JP 1979141520U JP 14152079 U JP14152079 U JP 14152079U JP S58186 Y2 JPS58186 Y2 JP S58186Y2
Authority
JP
Japan
Prior art keywords
drum
switch
answer
keyboard
calculation
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
JP1979141520U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5660962U (enrdf_load_stackoverflow
Inventor
利光 南部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP1979141520U priority Critical patent/JPS58186Y2/ja
Publication of JPS5660962U publication Critical patent/JPS5660962U/ja
Application granted granted Critical
Publication of JPS58186Y2 publication Critical patent/JPS58186Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
JP1979141520U 1979-10-12 1979-10-12 計算練習機 Expired JPS58186Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979141520U JPS58186Y2 (ja) 1979-10-12 1979-10-12 計算練習機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979141520U JPS58186Y2 (ja) 1979-10-12 1979-10-12 計算練習機

Publications (2)

Publication Number Publication Date
JPS5660962U JPS5660962U (enrdf_load_stackoverflow) 1981-05-23
JPS58186Y2 true JPS58186Y2 (ja) 1983-01-05

Family

ID=29372844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979141520U Expired JPS58186Y2 (ja) 1979-10-12 1979-10-12 計算練習機

Country Status (1)

Country Link
JP (1) JPS58186Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552630B2 (enrdf_load_stackoverflow) * 1972-06-30 1980-01-21
JPS5913635Y2 (ja) * 1977-02-21 1984-04-23 シャープ株式会社 計算練習機

Also Published As

Publication number Publication date
JPS5660962U (enrdf_load_stackoverflow) 1981-05-23

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