JPH0487874U - - Google Patents

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Publication number
JPH0487874U
JPH0487874U JP13084290U JP13084290U JPH0487874U JP H0487874 U JPH0487874 U JP H0487874U JP 13084290 U JP13084290 U JP 13084290U JP 13084290 U JP13084290 U JP 13084290U JP H0487874 U JPH0487874 U JP H0487874U
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JP
Japan
Prior art keywords
transparent plate
window
opening
visual
aging
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
JP13084290U
Other languages
English (en)
Japanese (ja)
Other versions
JP2501237Y2 (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 JP13084290U priority Critical patent/JP2501237Y2/ja
Publication of JPH0487874U publication Critical patent/JPH0487874U/ja
Application granted granted Critical
Publication of JP2501237Y2 publication Critical patent/JP2501237Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Instructional Devices (AREA)
JP13084290U 1990-11-30 1990-11-30 視覚老化体験装置 Expired - Fee Related JP2501237Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13084290U JP2501237Y2 (ja) 1990-11-30 1990-11-30 視覚老化体験装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13084290U JP2501237Y2 (ja) 1990-11-30 1990-11-30 視覚老化体験装置

Publications (2)

Publication Number Publication Date
JPH0487874U true JPH0487874U (enrdf_load_stackoverflow) 1992-07-30
JP2501237Y2 JP2501237Y2 (ja) 1996-06-12

Family

ID=31878156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13084290U Expired - Fee Related JP2501237Y2 (ja) 1990-11-30 1990-11-30 視覚老化体験装置

Country Status (1)

Country Link
JP (1) JP2501237Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JP2501237Y2 (ja) 1996-06-12

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