JPS63122998U - - Google Patents
Info
- Publication number
- JPS63122998U JPS63122998U JP1267187U JP1267187U JPS63122998U JP S63122998 U JPS63122998 U JP S63122998U JP 1267187 U JP1267187 U JP 1267187U JP 1267187 U JP1267187 U JP 1267187U JP S63122998 U JPS63122998 U JP S63122998U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- protective shutter
- opens
- closes
- closing
- 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
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1267187U JPS63122998U (ar) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1267187U JPS63122998U (ar) | 1987-01-30 | 1987-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63122998U true JPS63122998U (ar) | 1988-08-10 |
Family
ID=30801017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1267187U Pending JPS63122998U (ar) | 1987-01-30 | 1987-01-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63122998U (ar) |
-
1987
- 1987-01-30 JP JP1267187U patent/JPS63122998U/ja active Pending