BE727277A - - Google Patents
Info
- Publication number
- BE727277A BE727277A BE727277DA BE727277A BE 727277 A BE727277 A BE 727277A BE 727277D A BE727277D A BE 727277DA BE 727277 A BE727277 A BE 727277A
- Authority
- BE
- Belgium
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
- G01C15/02—Means for marking measuring points
- G01C15/04—Permanent marks; Boundary markers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Road Signs Or Road Markings (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE0026740 | 1968-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727277A true BE727277A (ja) | 1969-07-01 |
Family
ID=7072325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727277D BE727277A (ja) | 1968-03-30 | 1969-01-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE727277A (ja) |
| CH (1) | CH496233A (ja) |
| FR (1) | FR2005145A1 (ja) |
| NL (1) | NL6816334A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703036A (zh) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | 用于声学相控阵测地下管道位置的管道发声装置及方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091871A (zh) * | 2015-08-22 | 2015-11-25 | 金丽秋 | 一种建筑施工测量用标杆 |
-
1968
- 1968-11-15 NL NL6816334A patent/NL6816334A/xx unknown
-
1969
- 1969-01-22 BE BE727277D patent/BE727277A/xx unknown
- 1969-02-10 CH CH197169A patent/CH496233A/de unknown
- 1969-02-19 FR FR6904130A patent/FR2005145A1/fr not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703036A (zh) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | 用于声学相控阵测地下管道位置的管道发声装置及方法 |
| CN113703036B (zh) * | 2021-08-31 | 2024-05-28 | 宁波瑞能环境能源技术有限公司 | 用于声学相控阵测地下管道位置的管道发声装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6816334A (ja) | 1969-10-02 |
| FR2005145A1 (en) | 1969-12-05 |
| CH496233A (de) | 1970-09-15 |