Patents full text · MLC-0201
CPC subclass E21D
Shafts; tunnels; galleries; large underground chambers
| No. | Publication | Title | Published | Assignee |
|---|---|---|---|---|
| 1 | US5466095A | Underground support system and method of support | 1995-11-14 | SCOTT INVEST PARTNERS |
| 2 | US3645102A | Telescoping lining and support structure and method for lining tunnels and shafts | 1972-02-29 | COMMERCIAL SHEARING |
2 records in this listing. Patents full text (MLC-0201). Request the full dataset.