FR1283551A - Protection device - Google Patents
Protection deviceInfo
- Publication number
- FR1283551A FR1283551A FR855213A FR855213A FR1283551A FR 1283551 A FR1283551 A FR 1283551A FR 855213 A FR855213 A FR 855213A FR 855213 A FR855213 A FR 855213A FR 1283551 A FR1283551 A FR 1283551A
- Authority
- FR
- France
- Prior art keywords
- protection device
- protection
- Prior art date
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR855213A FR1283551A (en) | 1961-03-10 | 1961-03-10 | Protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR855213A FR1283551A (en) | 1961-03-10 | 1961-03-10 | Protection device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1283551A true FR1283551A (en) | 1962-02-02 |
Family
ID=8750574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR855213A Expired FR1283551A (en) | 1961-03-10 | 1961-03-10 | Protection device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1283551A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438290A1 (en) * | 1978-10-04 | 1980-04-30 | Sade Travaux Hydraulique | Plumb line positioning system for waste water pipe - uses sleeve with viewing window adjacent index point to avoid disturbing water |
-
1961
- 1961-03-10 FR FR855213A patent/FR1283551A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438290A1 (en) * | 1978-10-04 | 1980-04-30 | Sade Travaux Hydraulique | Plumb line positioning system for waste water pipe - uses sleeve with viewing window adjacent index point to avoid disturbing water |
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