JPS60154972U - 学習用の解答ランプ表示器 - Google Patents

学習用の解答ランプ表示器

Info

Publication number
JPS60154972U
JPS60154972U JP4151284U JP4151284U JPS60154972U JP S60154972 U JPS60154972 U JP S60154972U JP 4151284 U JP4151284 U JP 4151284U JP 4151284 U JP4151284 U JP 4151284U JP S60154972 U JPS60154972 U JP S60154972U
Authority
JP
Japan
Prior art keywords
contact rod
main body
lamp
protrusion
tip
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
JP4151284U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0134208Y2 (enrdf_load_stackoverflow
Inventor
助川　進
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 JP4151284U priority Critical patent/JPS60154972U/ja
Publication of JPS60154972U publication Critical patent/JPS60154972U/ja
Application granted granted Critical
Publication of JPH0134208Y2 publication Critical patent/JPH0134208Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Electrically Operated Instructional Devices (AREA)
JP4151284U 1984-03-23 1984-03-23 学習用の解答ランプ表示器 Granted JPS60154972U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4151284U JPS60154972U (ja) 1984-03-23 1984-03-23 学習用の解答ランプ表示器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4151284U JPS60154972U (ja) 1984-03-23 1984-03-23 学習用の解答ランプ表示器

Publications (2)

Publication Number Publication Date
JPS60154972U true JPS60154972U (ja) 1985-10-16
JPH0134208Y2 JPH0134208Y2 (enrdf_load_stackoverflow) 1989-10-18

Family

ID=30551407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4151284U Granted JPS60154972U (ja) 1984-03-23 1984-03-23 学習用の解答ランプ表示器

Country Status (1)

Country Link
JP (1) JPS60154972U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0134208Y2 (enrdf_load_stackoverflow) 1989-10-18

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