NL7209896A - - Google Patents
Info
- Publication number
- NL7209896A NL7209896A NL7209896A NL7209896A NL7209896A NL 7209896 A NL7209896 A NL 7209896A NL 7209896 A NL7209896 A NL 7209896A NL 7209896 A NL7209896 A NL 7209896A NL 7209896 A NL7209896 A NL 7209896A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL14950271A PL73690B1 (xx) | 1971-07-19 | 1971-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7209896A true NL7209896A (xx) | 1973-01-23 |
Family
ID=19955068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7209896A NL7209896A (xx) | 1971-07-19 | 1972-07-18 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE786455A (xx) |
| DE (1) | DE2235374A1 (xx) |
| FR (1) | FR2146807A7 (xx) |
| GB (1) | GB1363975A (xx) |
| NL (1) | NL7209896A (xx) |
| PL (1) | PL73690B1 (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003292B (zh) * | 2015-08-19 | 2017-07-04 | 太原理工大学 | 井下煤层巷道瓦斯抽采智能控制系统及其控制方法 |
| CN106437826A (zh) * | 2016-12-14 | 2017-02-22 | 中国矿业大学 | 一种钻孔负压划区分源自动调节的煤层瓦斯抽采方法 |
| CN112627895B (zh) * | 2021-01-12 | 2024-02-02 | 中国石油大学(华东) | 一种煤矿井下工作面突出预测多指标智能监测方法 |
-
1971
- 1971-07-19 PL PL14950271A patent/PL73690B1/xx unknown
-
1972
- 1972-07-17 GB GB3332572A patent/GB1363975A/en not_active Expired
- 1972-07-18 FR FR7225854A patent/FR2146807A7/fr not_active Expired
- 1972-07-18 NL NL7209896A patent/NL7209896A/xx unknown
- 1972-07-19 BE BE786455A patent/BE786455A/xx unknown
- 1972-07-19 DE DE19722235374 patent/DE2235374A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2235374A1 (de) | 1973-02-01 |
| PL73690B1 (xx) | 1974-10-31 |
| FR2146807A7 (xx) | 1973-03-02 |
| GB1363975A (en) | 1974-08-21 |
| BE786455A (fr) | 1972-11-16 |