JPS643802U - - Google Patents
Info
- Publication number
- JPS643802U JPS643802U JP9279987U JP9279987U JPS643802U JP S643802 U JPS643802 U JP S643802U JP 9279987 U JP9279987 U JP 9279987U JP 9279987 U JP9279987 U JP 9279987U JP S643802 U JPS643802 U JP S643802U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- legs
- ventilation hole
- lens plate
- back cover
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims 2
- 239000005871 repellent Substances 0.000 claims 1
- 230000011514 reflex Effects 0.000 description 4
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9279987U JPS643802U (zh) | 1987-06-18 | 1987-06-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9279987U JPS643802U (zh) | 1987-06-18 | 1987-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS643802U true JPS643802U (zh) | 1989-01-11 |
Family
ID=31317243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9279987U Pending JPS643802U (zh) | 1987-06-18 | 1987-06-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS643802U (zh) |
-
1987
- 1987-06-18 JP JP9279987U patent/JPS643802U/ja active Pending