NL7311801A - - Google Patents
Info
- Publication number
- NL7311801A NL7311801A NL7311801A NL7311801A NL7311801A NL 7311801 A NL7311801 A NL 7311801A NL 7311801 A NL7311801 A NL 7311801A NL 7311801 A NL7311801 A NL 7311801A NL 7311801 A NL7311801 A NL 7311801A
- Authority
- NL
- Netherlands
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/46—Launching or retrieval of pigs or moles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4066972 | 1972-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7311801A true NL7311801A (en:Method) | 1974-03-05 |
Family
ID=10416042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7311801A NL7311801A (en:Method) | 1972-09-01 | 1973-08-28 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2343762A1 (en:Method) |
| DK (1) | DK134329B (en:Method) |
| NL (1) | NL7311801A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615628B (zh) * | 2013-11-20 | 2015-11-25 | 内蒙古包钢钢联股份有限公司 | 煤气管道带煤气作业方法 |
-
1973
- 1973-08-23 DK DK465173A patent/DK134329B/da not_active IP Right Cessation
- 1973-08-28 NL NL7311801A patent/NL7311801A/xx not_active Application Discontinuation
- 1973-08-30 DE DE19732343762 patent/DE2343762A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2343762A1 (de) | 1974-03-07 |
| DK134329B (da) | 1976-10-18 |
| DK134329C (en:Method) | 1977-03-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |