SU832052A1 - Device for preventing falling of foreign objects into well - Google Patents
Device for preventing falling of foreign objects into well Download PDFInfo
- Publication number
- SU832052A1 SU832052A1 SU772537090A SU2537090A SU832052A1 SU 832052 A1 SU832052 A1 SU 832052A1 SU 772537090 A SU772537090 A SU 772537090A SU 2537090 A SU2537090 A SU 2537090A SU 832052 A1 SU832052 A1 SU 832052A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- well
- foreign objects
- preventing falling
- petals
- housing
- Prior art date
Links
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Description
(54) УСТРОЙСТВО ДЛЯ ПРЕДУПРЕЖДЕНИЯ ПАДЕНИЯ ПОСТОРОННИХ ПРЕДМЕТОВ В СКВАЖИНУ(54) DEVICE FOR PREVENTION OF THE FALLING OF EXTREME SUBJECTS TO THE WELL
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772537090A SU832052A1 (en) | 1977-10-25 | 1977-10-25 | Device for preventing falling of foreign objects into well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772537090A SU832052A1 (en) | 1977-10-25 | 1977-10-25 | Device for preventing falling of foreign objects into well |
Publications (1)
Publication Number | Publication Date |
---|---|
SU832052A1 true SU832052A1 (en) | 1981-05-23 |
Family
ID=20730252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772537090A SU832052A1 (en) | 1977-10-25 | 1977-10-25 | Device for preventing falling of foreign objects into well |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU832052A1 (en) |
-
1977
- 1977-10-25 SU SU772537090A patent/SU832052A1/en active
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