JPS4980632A - - Google Patents
Info
- Publication number
- JPS4980632A JPS4980632A JP2664873A JP2664873A JPS4980632A JP S4980632 A JPS4980632 A JP S4980632A JP 2664873 A JP2664873 A JP 2664873A JP 2664873 A JP2664873 A JP 2664873A JP S4980632 A JPS4980632 A JP S4980632A
- 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.)
- Granted
Links
Landscapes
- Taps Or Cocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30348272 US3850242A (en) | 1972-09-05 | 1972-11-03 | Subsurface safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4980632A true JPS4980632A (cs) | 1974-08-03 |
| JPS5441004B2 JPS5441004B2 (cs) | 1979-12-06 |
Family
ID=23172317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2664873A Expired JPS5441004B2 (cs) | 1972-11-03 | 1973-03-08 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5441004B2 (cs) |
| CA (1) | CA964999A (cs) |
| IT (1) | IT974454B (cs) |
-
1972
- 1972-12-29 IT IT5520572A patent/IT974454B/it active
-
1973
- 1973-02-05 CA CA163,285A patent/CA964999A/en not_active Expired
- 1973-03-08 JP JP2664873A patent/JPS5441004B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA964999A (en) | 1975-03-25 |
| JPS5441004B2 (cs) | 1979-12-06 |
| IT974454B (it) | 1974-06-20 |