NL7211287A - - Google Patents
Info
- Publication number
- NL7211287A NL7211287A NL7211287A NL7211287A NL7211287A NL 7211287 A NL7211287 A NL 7211287A NL 7211287 A NL7211287 A NL 7211287A NL 7211287 A NL7211287 A NL 7211287A NL 7211287 A NL7211287 A NL 7211287A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7211287A NL7211287A (en) | 1972-08-17 | 1972-08-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7211287A NL7211287A (en) | 1972-08-17 | 1972-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7211287A true NL7211287A (en) | 1974-02-19 |
Family
ID=19816734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7211287A NL7211287A (en) | 1972-08-17 | 1972-08-17 |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7211287A (en) |
-
1972
- 1972-08-17 NL NL7211287A patent/NL7211287A/xx not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |