CN203621834U - 一种用于液压支架掩护梁套筒的拼装胎具 - Google Patents
一种用于液压支架掩护梁套筒的拼装胎具 Download PDFInfo
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- CN203621834U CN203621834U CN201320628455.9U CN201320628455U CN203621834U CN 203621834 U CN203621834 U CN 203621834U CN 201320628455 U CN201320628455 U CN 201320628455U CN 203621834 U CN203621834 U CN 203621834U
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- sleeve
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- section steel
- hydraulic support
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Application Number | Priority Date | Filing Date | Title |
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CN201320628455.9U CN203621834U (zh) | 2013-09-29 | 2013-09-29 | 一种用于液压支架掩护梁套筒的拼装胎具 |
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CN201320628455.9U CN203621834U (zh) | 2013-09-29 | 2013-09-29 | 一种用于液压支架掩护梁套筒的拼装胎具 |
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CN203621834U true CN203621834U (zh) | 2014-06-04 |
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CN201320628455.9U Expired - Fee Related CN203621834U (zh) | 2013-09-29 | 2013-09-29 | 一种用于液压支架掩护梁套筒的拼装胎具 |
Country Status (1)
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CN (1) | CN203621834U (zh) |
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2013
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Effective date of registration: 20150421 Granted publication date: 20140604 |
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PD01 | Discharge of preservation of patent | ||
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Date of cancellation: 20171021 Granted publication date: 20140604 |
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PP01 | Preservation of patent right |
Effective date of registration: 20171021 Granted publication date: 20140604 |
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PD01 | Discharge of preservation of patent |
Date of cancellation: 20201021 Granted publication date: 20140604 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20150929 |