JPS6442524U - - Google Patents
Info
- Publication number
- JPS6442524U JPS6442524U JP1987136145U JP13614587U JPS6442524U JP S6442524 U JPS6442524 U JP S6442524U JP 1987136145 U JP1987136145 U JP 1987136145U JP 13614587 U JP13614587 U JP 13614587U JP S6442524 U JPS6442524 U JP S6442524U
- Authority
- JP
- Japan
- Prior art keywords
- annular spacer
- supporting
- circular
- circular substrates
- signal recording
- 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
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987136145U JPH0445133Y2 (en]) | 1987-09-05 | 1987-09-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987136145U JPH0445133Y2 (en]) | 1987-09-05 | 1987-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6442524U true JPS6442524U (en]) | 1989-03-14 |
JPH0445133Y2 JPH0445133Y2 (en]) | 1992-10-23 |
Family
ID=31396378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987136145U Expired JPH0445133Y2 (en]) | 1987-09-05 | 1987-09-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0445133Y2 (en]) |
-
1987
- 1987-09-05 JP JP1987136145U patent/JPH0445133Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0445133Y2 (en]) | 1992-10-23 |