CN202701057U - 一种无缝钢管管口检圆、整圆装置 - Google Patents
一种无缝钢管管口检圆、整圆装置 Download PDFInfo
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- CN202701057U CN202701057U CN 201220396035 CN201220396035U CN202701057U CN 202701057 U CN202701057 U CN 202701057U CN 201220396035 CN201220396035 CN 201220396035 CN 201220396035 U CN201220396035 U CN 201220396035U CN 202701057 U CN202701057 U CN 202701057U
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- seamless steel
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- rod
- connecting rod
- steel tube
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CN 201220396035 CN202701057U (zh) | 2012-08-12 | 2012-08-12 | 一种无缝钢管管口检圆、整圆装置 |
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CN 201220396035 CN202701057U (zh) | 2012-08-12 | 2012-08-12 | 一种无缝钢管管口检圆、整圆装置 |
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CN202701057U true CN202701057U (zh) | 2013-01-30 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103567260A (zh) * | 2012-08-12 | 2014-02-12 | 顾龙华 | 一种无缝钢管管口检圆、整圆装置 |
CN107597890A (zh) * | 2017-09-30 | 2018-01-19 | 山西晋丰煤化工有限责任公司 | 撑管器 |
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2012
- 2012-08-12 CN CN 201220396035 patent/CN202701057U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103567260A (zh) * | 2012-08-12 | 2014-02-12 | 顾龙华 | 一种无缝钢管管口检圆、整圆装置 |
CN107597890A (zh) * | 2017-09-30 | 2018-01-19 | 山西晋丰煤化工有限责任公司 | 撑管器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WUHU TAIKE PIPE CO., LTD. Assignor: Gu Longhua Contract record no.: 2013320000556 Denomination of utility model: Pipe opening circle checking and circle shaping device for seamless steel pipe Granted publication date: 20130130 License type: Exclusive License Record date: 20130614 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: WUHU TAIKE PIPE CO., LTD. Assignor: Gu Longhua Contract record no.: 2013320000556 Date of cancellation: 20130708 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WUHU TAIKE PIPE CO., LTD. Assignor: Gu Longhua Contract record no.: 2013320000639 Denomination of utility model: Pipe opening circle checking and circle shaping device for seamless steel pipe Granted publication date: 20130130 License type: Exclusive License Record date: 20130711 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140812 |
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EXPY | Termination of patent right or utility model |