JPH01172077U - - Google Patents

Info

Publication number
JPH01172077U
JPH01172077U JP6807488U JP6807488U JPH01172077U JP H01172077 U JPH01172077 U JP H01172077U JP 6807488 U JP6807488 U JP 6807488U JP 6807488 U JP6807488 U JP 6807488U JP H01172077 U JPH01172077 U JP H01172077U
Authority
JP
Japan
Prior art keywords
electronic
correct
practice device
incorrect answers
book
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.)
Pending
Application number
JP6807488U
Other languages
English (en)
Japanese (ja)
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 JP6807488U priority Critical patent/JPH01172077U/ja
Publication of JPH01172077U publication Critical patent/JPH01172077U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Calculators And Similar Devices (AREA)
JP6807488U 1988-05-25 1988-05-25 Pending JPH01172077U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6807488U JPH01172077U (OSRAM) 1988-05-25 1988-05-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6807488U JPH01172077U (OSRAM) 1988-05-25 1988-05-25

Publications (1)

Publication Number Publication Date
JPH01172077U true JPH01172077U (OSRAM) 1989-12-06

Family

ID=31293402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6807488U Pending JPH01172077U (OSRAM) 1988-05-25 1988-05-25

Country Status (1)

Country Link
JP (1) JPH01172077U (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0883039A (ja) * 1994-09-13 1996-03-26 Nakagawajiyuku:Kk 自己テスト学習機及び自己テスト学習システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0883039A (ja) * 1994-09-13 1996-03-26 Nakagawajiyuku:Kk 自己テスト学習機及び自己テスト学習システム

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