JPH03129103U - - Google Patents
Info
- Publication number
- JPH03129103U JPH03129103U JP3836790U JP3836790U JPH03129103U JP H03129103 U JPH03129103 U JP H03129103U JP 3836790 U JP3836790 U JP 3836790U JP 3836790 U JP3836790 U JP 3836790U JP H03129103 U JPH03129103 U JP H03129103U
- Authority
- JP
- Japan
- Prior art keywords
- measuring
- visual acuity
- subjective visual
- portable support
- holder
- 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
- 230000004304 visual acuity Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3836790U JPH03129103U (en]) | 1990-04-09 | 1990-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3836790U JPH03129103U (en]) | 1990-04-09 | 1990-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129103U true JPH03129103U (en]) | 1991-12-25 |
Family
ID=31546310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3836790U Pending JPH03129103U (en]) | 1990-04-09 | 1990-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129103U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220808A (ja) * | 1985-07-18 | 1987-01-29 | Kobe Steel Ltd | ２段吹込みによる鉄鉱石の溶融還元製鉄方法 |
-
1990
- 1990-04-09 JP JP3836790U patent/JPH03129103U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220808A (ja) * | 1985-07-18 | 1987-01-29 | Kobe Steel Ltd | ２段吹込みによる鉄鉱石の溶融還元製鉄方法 |