JPS6216190U - - Google Patents
Info
- Publication number
- JPS6216190U JPS6216190U JP10711285U JP10711285U JPS6216190U JP S6216190 U JPS6216190 U JP S6216190U JP 10711285 U JP10711285 U JP 10711285U JP 10711285 U JP10711285 U JP 10711285U JP S6216190 U JPS6216190 U JP S6216190U
- Authority
- JP
- Japan
- Prior art keywords
- hood
- suction port
- drilling rod
- drifter
- suction
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10711285U JPS6216190U (es) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10711285U JPS6216190U (es) | 1985-07-12 | 1985-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6216190U true JPS6216190U (es) | 1987-01-30 |
Family
ID=30983090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10711285U Pending JPS6216190U (es) | 1985-07-12 | 1985-07-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6216190U (es) |
-
1985
- 1985-07-12 JP JP10711285U patent/JPS6216190U/ja active Pending
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