JPS5937276Y2 - 屈折性を向上させた発泡プラスチツク板 - Google Patents

屈折性を向上させた発泡プラスチツク板

Info

Publication number
JPS5937276Y2
JPS5937276Y2 JP1978177239U JP17723978U JPS5937276Y2 JP S5937276 Y2 JPS5937276 Y2 JP S5937276Y2 JP 1978177239 U JP1978177239 U JP 1978177239U JP 17723978 U JP17723978 U JP 17723978U JP S5937276 Y2 JPS5937276 Y2 JP S5937276Y2
Authority
JP
Japan
Prior art keywords
foamed plastic
plastic board
refractive properties
sheet material
improved refractive
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
JP1978177239U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5593534U (enrdf_load_stackoverflow
Inventor
吉司 杉本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujigiken Kogyo Co Ltd
Original Assignee
Fujigiken Kogyo Co Ltd
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 Fujigiken Kogyo Co Ltd filed Critical Fujigiken Kogyo Co Ltd
Priority to JP1978177239U priority Critical patent/JPS5937276Y2/ja
Publication of JPS5593534U publication Critical patent/JPS5593534U/ja
Application granted granted Critical
Publication of JPS5937276Y2 publication Critical patent/JPS5937276Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Toys (AREA)
JP1978177239U 1978-12-21 1978-12-21 屈折性を向上させた発泡プラスチツク板 Expired JPS5937276Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978177239U JPS5937276Y2 (ja) 1978-12-21 1978-12-21 屈折性を向上させた発泡プラスチツク板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978177239U JPS5937276Y2 (ja) 1978-12-21 1978-12-21 屈折性を向上させた発泡プラスチツク板

Publications (2)

Publication Number Publication Date
JPS5593534U JPS5593534U (enrdf_load_stackoverflow) 1980-06-28
JPS5937276Y2 true JPS5937276Y2 (ja) 1984-10-15

Family

ID=29186552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978177239U Expired JPS5937276Y2 (ja) 1978-12-21 1978-12-21 屈折性を向上させた発泡プラスチツク板

Country Status (1)

Country Link
JP (1) JPS5937276Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836171U (enrdf_load_stackoverflow) * 1971-09-01 1973-04-28

Also Published As

Publication number Publication date
JPS5593534U (enrdf_load_stackoverflow) 1980-06-28

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