JPS5813373Y2 - 珠算教習用表示具 - Google Patents

珠算教習用表示具

Info

Publication number
JPS5813373Y2
JPS5813373Y2 JP1977121373U JP12137377U JPS5813373Y2 JP S5813373 Y2 JPS5813373 Y2 JP S5813373Y2 JP 1977121373 U JP1977121373 U JP 1977121373U JP 12137377 U JP12137377 U JP 12137377U JP S5813373 Y2 JPS5813373 Y2 JP S5813373Y2
Authority
JP
Japan
Prior art keywords
display board
abacus
numbers
attached
multiplication
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
JP1977121373U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5448763U (enExample
Inventor
三富邦基
Original Assignee
三富 邦基
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 三富 邦基 filed Critical 三富 邦基
Priority to JP1977121373U priority Critical patent/JPS5813373Y2/ja
Publication of JPS5448763U publication Critical patent/JPS5448763U/ja
Application granted granted Critical
Publication of JPS5813373Y2 publication Critical patent/JPS5813373Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1977121373U 1977-09-09 1977-09-09 珠算教習用表示具 Expired JPS5813373Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977121373U JPS5813373Y2 (ja) 1977-09-09 1977-09-09 珠算教習用表示具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977121373U JPS5813373Y2 (ja) 1977-09-09 1977-09-09 珠算教習用表示具

Publications (2)

Publication Number Publication Date
JPS5448763U JPS5448763U (enExample) 1979-04-04
JPS5813373Y2 true JPS5813373Y2 (ja) 1983-03-15

Family

ID=29078450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977121373U Expired JPS5813373Y2 (ja) 1977-09-09 1977-09-09 珠算教習用表示具

Country Status (1)

Country Link
JP (1) JPS5813373Y2 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223997U (enExample) * 1975-08-08 1977-02-19
JPS5332631Y2 (enExample) * 1975-09-19 1978-08-12

Also Published As

Publication number Publication date
JPS5448763U (enExample) 1979-04-04

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