JPS4838841A - - Google Patents
Info
- Publication number
- JPS4838841A JPS4838841A JP7305071A JP7305071A JPS4838841A JP S4838841 A JPS4838841 A JP S4838841A JP 7305071 A JP7305071 A JP 7305071A JP 7305071 A JP7305071 A JP 7305071A JP S4838841 A JPS4838841 A JP S4838841A
- Authority
- JP
- Japan
- 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
Landscapes
- Chemical Treatment Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7305071A JPS4838841A (en) | 1971-09-21 | 1971-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7305071A JPS4838841A (en) | 1971-09-21 | 1971-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4838841A true JPS4838841A (en) | 1973-06-07 |
Family
ID=13507138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7305071A Pending JPS4838841A (en) | 1971-09-21 | 1971-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4838841A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5395139A (en) * | 1977-11-11 | 1978-08-19 | Showa Aluminium Co Ltd | Method of forming hydrated metal oxide film on surface of aluminium |
| US5532774A (en) * | 1992-03-05 | 1996-07-02 | Olympus Optical Co., Ltd. | Film data recording/reproducing apparatus for a camera by writing/reading pits recorded on a film |
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1971
- 1971-09-21 JP JP7305071A patent/JPS4838841A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5395139A (en) * | 1977-11-11 | 1978-08-19 | Showa Aluminium Co Ltd | Method of forming hydrated metal oxide film on surface of aluminium |
| JPS5843467B2 (en) * | 1977-11-11 | 1983-09-27 | 昭和アルミニウム株式会社 | Method for forming hydrated iron oxide films on aluminum surfaces |
| US5532774A (en) * | 1992-03-05 | 1996-07-02 | Olympus Optical Co., Ltd. | Film data recording/reproducing apparatus for a camera by writing/reading pits recorded on a film |