JPS5647642Y2 - - Google Patents
Info
- Publication number
- JPS5647642Y2 JPS5647642Y2 JP1979048938U JP4893879U JPS5647642Y2 JP S5647642 Y2 JPS5647642 Y2 JP S5647642Y2 JP 1979048938 U JP1979048938 U JP 1979048938U JP 4893879 U JP4893879 U JP 4893879U JP S5647642 Y2 JPS5647642 Y2 JP S5647642Y2
- Authority
- JP
- Japan
- 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
Links
Landscapes
- Instructional Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979048938U JPS5647642Y2 (de) | 1979-04-12 | 1979-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979048938U JPS5647642Y2 (de) | 1979-04-12 | 1979-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55149768U JPS55149768U (de) | 1980-10-28 |
JPS5647642Y2 true JPS5647642Y2 (de) | 1981-11-07 |
Family
ID=28933596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979048938U Expired JPS5647642Y2 (de) | 1979-04-12 | 1979-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647642Y2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106448392A (zh) * | 2016-09-09 | 2017-02-22 | 靳延 | 光线折射演示教具 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2550179Y2 (ja) * | 1993-04-09 | 1997-10-08 | 島津理化器械株式会社 | 光学教習具 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4412835Y1 (de) * | 1965-05-31 | 1969-05-28 |
-
1979
- 1979-04-12 JP JP1979048938U patent/JPS5647642Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4412835Y1 (de) * | 1965-05-31 | 1969-05-28 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106448392A (zh) * | 2016-09-09 | 2017-02-22 | 靳延 | 光线折射演示教具 |
Also Published As
Publication number | Publication date |
---|---|
JPS55149768U (de) | 1980-10-28 |