JPS61171075U - - Google Patents

Info

Publication number
JPS61171075U
JPS61171075U JP5214785U JP5214785U JPS61171075U JP S61171075 U JPS61171075 U JP S61171075U JP 5214785 U JP5214785 U JP 5214785U JP 5214785 U JP5214785 U JP 5214785U JP S61171075 U JPS61171075 U JP S61171075U
Authority
JP
Japan
Prior art keywords
cylindrical body
learning set
cap
teaching materials
optical learning
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
JP5214785U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0339803Y2 (enrdf_load_stackoverflow
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 JP5214785U priority Critical patent/JPH0339803Y2/ja
Publication of JPS61171075U publication Critical patent/JPS61171075U/ja
Application granted granted Critical
Publication of JPH0339803Y2 publication Critical patent/JPH0339803Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Instructional Devices (AREA)
JP5214785U 1985-04-10 1985-04-10 Expired JPH0339803Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5214785U JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5214785U JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Publications (2)

Publication Number Publication Date
JPS61171075U true JPS61171075U (enrdf_load_stackoverflow) 1986-10-23
JPH0339803Y2 JPH0339803Y2 (enrdf_load_stackoverflow) 1991-08-21

Family

ID=30571837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5214785U Expired JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Country Status (1)

Country Link
JP (1) JPH0339803Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0339803Y2 (enrdf_load_stackoverflow) 1991-08-21

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