JPS497809A - - Google Patents
Info
- Publication number
- JPS497809A JPS497809A JP3555273A JP3555273A JPS497809A JP S497809 A JPS497809 A JP S497809A JP 3555273 A JP3555273 A JP 3555273A JP 3555273 A JP3555273 A JP 3555273A JP S497809 A JPS497809 A JP S497809A
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/007—Pressure-resistant sight glasses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Farming Of Fish And Shellfish (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722215339 DE2215339A1 (de) | 1972-03-29 | 1972-03-29 | Beobachtungseinrichtung in behaeltern, deren innen- oder aussenseite hohen druecken ausgesetzt wird |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS497809A true JPS497809A (xx) | 1974-01-24 |
Family
ID=5840547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3555273A Pending JPS497809A (xx) | 1972-03-29 | 1973-03-28 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS497809A (xx) |
| BE (1) | BE797319A (xx) |
| DE (1) | DE2215339A1 (xx) |
| FR (1) | FR2177857A1 (xx) |
| IT (1) | IT983625B (xx) |
| LU (1) | LU67309A1 (xx) |
| NL (1) | NL7303573A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019152267A (ja) * | 2018-03-02 | 2019-09-12 | 三菱重工業株式会社 | 水中構造体 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2554248B1 (fr) * | 1983-10-26 | 1986-01-03 | France Etat Armement | Hublot, notamment pour observations sous-marines |
-
1972
- 1972-03-29 DE DE19722215339 patent/DE2215339A1/de active Pending
-
1973
- 1973-03-14 NL NL7303573A patent/NL7303573A/xx unknown
- 1973-03-22 FR FR7310261A patent/FR2177857A1/fr not_active Withdrawn
- 1973-03-26 BE BE129251A patent/BE797319A/xx unknown
- 1973-03-27 LU LU67309D patent/LU67309A1/xx unknown
- 1973-03-27 IT IT2218573A patent/IT983625B/it active
- 1973-03-28 JP JP3555273A patent/JPS497809A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019152267A (ja) * | 2018-03-02 | 2019-09-12 | 三菱重工業株式会社 | 水中構造体 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2177857A1 (xx) | 1973-11-09 |
| LU67309A1 (xx) | 1973-06-08 |
| BE797319A (fr) | 1973-07-16 |
| IT983625B (it) | 1974-11-11 |
| NL7303573A (xx) | 1973-10-02 |
| DE2215339A1 (de) | 1973-10-18 |