FR2203019B3 - - Google Patents
Info
- Publication number
- FR2203019B3 FR2203019B3 FR7336456A FR7336456A FR2203019B3 FR 2203019 B3 FR2203019 B3 FR 2203019B3 FR 7336456 A FR7336456 A FR 7336456A FR 7336456 A FR7336456 A FR 7336456A FR 2203019 B3 FR2203019 B3 FR 2203019B3
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4720272 | 1972-10-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2203019A1 FR2203019A1 (fr) | 1974-05-10 |
FR2203019B3 true FR2203019B3 (fr) | 1976-09-03 |
Family
ID=10444119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7336456A Expired FR2203019B3 (fr) | 1972-10-12 | 1973-10-12 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2349711A1 (fr) |
FR (1) | FR2203019B3 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4002907A1 (de) * | 1990-02-01 | 1991-08-08 | Leffer Stahl & App | Schneidkrone fuer bohrrohre mit einfach auswechselbaren zaehnen |
-
1973
- 1973-10-03 DE DE19732349711 patent/DE2349711A1/de active Pending
- 1973-10-12 FR FR7336456A patent/FR2203019B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2203019A1 (fr) | 1974-05-10 |
DE2349711A1 (de) | 1974-05-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |