JPH0613895Y2 - 坑口内情報収集装置 - Google Patents
坑口内情報収集装置Info
- Publication number
- JPH0613895Y2 JPH0613895Y2 JP1988021910U JP2191088U JPH0613895Y2 JP H0613895 Y2 JPH0613895 Y2 JP H0613895Y2 JP 1988021910 U JP1988021910 U JP 1988021910U JP 2191088 U JP2191088 U JP 2191088U JP H0613895 Y2 JPH0613895 Y2 JP H0613895Y2
- Authority
- JP
- Japan
- Prior art keywords
- wellhead
- body frame
- information
- main body
- fitting
- 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 - Lifetime
Links
- 238000005065 mining Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988021910U JPH0613895Y2 (ja) | 1988-02-23 | 1988-02-23 | 坑口内情報収集装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988021910U JPH0613895Y2 (ja) | 1988-02-23 | 1988-02-23 | 坑口内情報収集装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01136588U JPH01136588U (en, 2012) | 1989-09-19 |
JPH0613895Y2 true JPH0613895Y2 (ja) | 1994-04-13 |
Family
ID=31239556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988021910U Expired - Lifetime JPH0613895Y2 (ja) | 1988-02-23 | 1988-02-23 | 坑口内情報収集装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0613895Y2 (en, 2012) |
-
1988
- 1988-02-23 JP JP1988021910U patent/JPH0613895Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01136588U (en, 2012) | 1989-09-19 |
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