CN102852474A - 钻孔防尘装置 - Google Patents
钻孔防尘装置 Download PDFInfo
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- CN102852474A CN102852474A CN2012103565334A CN201210356533A CN102852474A CN 102852474 A CN102852474 A CN 102852474A CN 2012103565334 A CN2012103565334 A CN 2012103565334A CN 201210356533 A CN201210356533 A CN 201210356533A CN 102852474 A CN102852474 A CN 102852474A
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012103565334A CN102852474A (zh) | 2012-09-21 | 2012-09-21 | 钻孔防尘装置 |
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CN2012103565334A CN102852474A (zh) | 2012-09-21 | 2012-09-21 | 钻孔防尘装置 |
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CN102852474A true CN102852474A (zh) | 2013-01-02 |
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CN2012103565334A Pending CN102852474A (zh) | 2012-09-21 | 2012-09-21 | 钻孔防尘装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106761433A (zh) * | 2017-01-23 | 2017-05-31 | 淮南矿业(集团)有限责任公司 | 上向煤层钻孔除尘套管及其除尘装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2317308Y (zh) * | 1997-09-12 | 1999-05-05 | 张云林 | 电钻喷水灭尘装置 |
JP2003120200A (ja) * | 2001-10-10 | 2003-04-23 | Furukawa Co Ltd | トンネル工事用集塵機 |
CN201269106Y (zh) * | 2008-10-15 | 2009-07-08 | 淮南矿业(集团)有限责任公司 | 井下钻孔孔口捕尘器 |
CN102678163A (zh) * | 2012-06-04 | 2012-09-19 | 杭州祥龙钻探设备有限公司 | 一种用于煤矿坑道钻探孔口除尘装置 |
CN202810722U (zh) * | 2012-09-21 | 2013-03-20 | 淮南矿业(集团)有限责任公司 | 钻孔防尘装置 |
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2012
- 2012-09-21 CN CN2012103565334A patent/CN102852474A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2317308Y (zh) * | 1997-09-12 | 1999-05-05 | 张云林 | 电钻喷水灭尘装置 |
JP2003120200A (ja) * | 2001-10-10 | 2003-04-23 | Furukawa Co Ltd | トンネル工事用集塵機 |
CN201269106Y (zh) * | 2008-10-15 | 2009-07-08 | 淮南矿业(集团)有限责任公司 | 井下钻孔孔口捕尘器 |
CN102678163A (zh) * | 2012-06-04 | 2012-09-19 | 杭州祥龙钻探设备有限公司 | 一种用于煤矿坑道钻探孔口除尘装置 |
CN202810722U (zh) * | 2012-09-21 | 2013-03-20 | 淮南矿业(集团)有限责任公司 | 钻孔防尘装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106761433A (zh) * | 2017-01-23 | 2017-05-31 | 淮南矿业(集团)有限责任公司 | 上向煤层钻孔除尘套管及其除尘装置 |
CN106761433B (zh) * | 2017-01-23 | 2018-11-23 | 淮南矿业(集团)有限责任公司 | 上向煤层钻孔除尘套管及其除尘装置 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Fabing Inventor after: Chang Guoqing Inventor after: Tong Yunfei Inventor after: Zhang Chuijin Inventor after: Zhang Genfa Inventor before: Zhang Fabing Inventor before: Tong Yunfei Inventor before: Zhang Chuijin Inventor before: Zhang Genfa |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG FABING TONG YUNFEI ZHANG CHUIJIN ZHANG GENFA TO: ZHANG FABING CHANG GUOQING TONG YUNFEI ZHANG CHUIJIN ZHANG GENFA |
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |