BE664073A - - Google Patents
Info
- Publication number
- BE664073A BE664073A BE664073DA BE664073A BE 664073 A BE664073 A BE 664073A BE 664073D A BE664073D A BE 664073DA BE 664073 A BE664073 A BE 664073A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2778264A JPS4930602B1 (https=) | 1964-05-18 | 1964-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE664073A true BE664073A (https=) | 1965-09-16 |
Family
ID=12230531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE664073D BE664073A (https=) | 1964-05-18 | 1965-05-18 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4930602B1 (https=) |
| BE (1) | BE664073A (https=) |
| FR (1) | FR1444107A (https=) |
| GB (1) | GB1095984A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213103U (https=) * | 1975-07-15 | 1977-01-29 | ||
| CN102747980A (zh) * | 2012-07-18 | 2012-10-24 | 中国矿业大学 | 膨胀式多级带压快速封孔技术 |
| CN103953386B (zh) * | 2014-03-12 | 2017-02-08 | 淮北矿业（集团）勘探工程有限责任公司 | 一种上堵下渗抽采采动区瓦斯的方法 |
| CN109956715A (zh) * | 2018-07-18 | 2019-07-02 | 中国石油天然气股份有限公司 | 一种煤岩储层人造岩心及其制备方法 |
| CN109403915A (zh) * | 2018-11-27 | 2019-03-01 | 陕西陕煤铜川矿业有限公司陈家山煤矿 | 一种改进的抽放钻孔封孔方法 |
-
1964
- 1964-05-18 JP JP2778264A patent/JPS4930602B1/ja active Pending
-
1965
- 1965-05-13 GB GB2014865A patent/GB1095984A/en not_active Expired
- 1965-05-18 BE BE664073D patent/BE664073A/xx unknown
- 1965-05-18 FR FR17406A patent/FR1444107A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4930602B1 (https=) | 1974-08-14 |
| GB1095984A (en) | 1967-12-20 |
| FR1444107A (fr) | 1966-07-01 |