CN204267039U - 一种煤矿井下巷帮钻场出矸装置 - Google Patents
一种煤矿井下巷帮钻场出矸装置 Download PDFInfo
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- CN204267039U CN204267039U CN201420743567.3U CN201420743567U CN204267039U CN 204267039 U CN204267039 U CN 204267039U CN 201420743567 U CN201420743567 U CN 201420743567U CN 204267039 U CN204267039 U CN 204267039U
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CN201420743567.3U CN204267039U (zh) | 2014-12-01 | 2014-12-01 | 一种煤矿井下巷帮钻场出矸装置 |
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CN201420743567.3U CN204267039U (zh) | 2014-12-01 | 2014-12-01 | 一种煤矿井下巷帮钻场出矸装置 |
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CN204267039U true CN204267039U (zh) | 2015-04-15 |
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CN201420743567.3U Withdrawn - After Issue CN204267039U (zh) | 2014-12-01 | 2014-12-01 | 一种煤矿井下巷帮钻场出矸装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373133A (zh) * | 2014-12-01 | 2015-02-25 | 安徽理工大学 | 一种煤矿井下巷帮钻场出矸装置 |
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- 2014-12-01 CN CN201420743567.3U patent/CN204267039U/zh not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373133A (zh) * | 2014-12-01 | 2015-02-25 | 安徽理工大学 | 一种煤矿井下巷帮钻场出矸装置 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Yilong Inventor after: Peng Tianhao Inventor after: Wang Guangyao Inventor after: Huang Peng Inventor after: Shen Lei Inventor before: Peng Tianhao Inventor before: Zhang Yilong Inventor before: Wang Guangyao Inventor before: Huang Peng Inventor before: Shen Lei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: PENG TIANHAO ZHANG YILONG WANG GUANGYAO HUANG PENG SHEN LEI TO: ZHANG YILONG PENG TIANHAO WANG GUANGYAO HUANG PENG SHEN LEI |
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AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20160504 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |