JPS5930171U - 九九練習器 - Google Patents

九九練習器

Info

Publication number
JPS5930171U
JPS5930171U JP12558582U JP12558582U JPS5930171U JP S5930171 U JPS5930171 U JP S5930171U JP 12558582 U JP12558582 U JP 12558582U JP 12558582 U JP12558582 U JP 12558582U JP S5930171 U JPS5930171 U JP S5930171U
Authority
JP
Japan
Prior art keywords
numbers
slide rule
multiplication table
cursor
practice device
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.)
Granted
Application number
JP12558582U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6312364Y2 (enrdf_load_stackoverflow
Inventor
浩 加藤
Original Assignee
株式会社学習研究社
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 株式会社学習研究社 filed Critical 株式会社学習研究社
Priority to JP12558582U priority Critical patent/JPS5930171U/ja
Publication of JPS5930171U publication Critical patent/JPS5930171U/ja
Application granted granted Critical
Publication of JPS6312364Y2 publication Critical patent/JPS6312364Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Tape Measures (AREA)
JP12558582U 1982-08-20 1982-08-20 九九練習器 Granted JPS5930171U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12558582U JPS5930171U (ja) 1982-08-20 1982-08-20 九九練習器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12558582U JPS5930171U (ja) 1982-08-20 1982-08-20 九九練習器

Publications (2)

Publication Number Publication Date
JPS5930171U true JPS5930171U (ja) 1984-02-24
JPS6312364Y2 JPS6312364Y2 (enrdf_load_stackoverflow) 1988-04-08

Family

ID=30285861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12558582U Granted JPS5930171U (ja) 1982-08-20 1982-08-20 九九練習器

Country Status (1)

Country Link
JP (1) JPS5930171U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337469U (enrdf_load_stackoverflow) * 1989-08-24 1991-04-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337469U (enrdf_load_stackoverflow) * 1989-08-24 1991-04-11

Also Published As

Publication number Publication date
JPS6312364Y2 (enrdf_load_stackoverflow) 1988-04-08

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