JPH02144134U - - Google Patents
Info
- Publication number
- JPH02144134U JPH02144134U JP5031789U JP5031789U JPH02144134U JP H02144134 U JPH02144134 U JP H02144134U JP 5031789 U JP5031789 U JP 5031789U JP 5031789 U JP5031789 U JP 5031789U JP H02144134 U JPH02144134 U JP H02144134U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- stepped portion
- hubs
- pair
- size
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5031789U JPH02144134U (en]) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5031789U JPH02144134U (en]) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144134U true JPH02144134U (en]) | 1990-12-06 |
Family
ID=31568760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5031789U Pending JPH02144134U (en]) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144134U (en]) |
-
1989
- 1989-04-28 JP JP5031789U patent/JPH02144134U/ja active Pending