CN210141962U - 一种薄壁非金属管气密性能检测装置 - Google Patents
一种薄壁非金属管气密性能检测装置 Download PDFInfo
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- CN210141962U CN210141962U CN201920539544.3U CN201920539544U CN210141962U CN 210141962 U CN210141962 U CN 210141962U CN 201920539544 U CN201920539544 U CN 201920539544U CN 210141962 U CN210141962 U CN 210141962U
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| CN201920539544.3U CN210141962U (zh) | 2019-04-19 | 2019-04-19 | 一种薄壁非金属管气密性能检测装置 |
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| CN201920539544.3U CN210141962U (zh) | 2019-04-19 | 2019-04-19 | 一种薄壁非金属管气密性能检测装置 |
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| CB03 | Change of inventor or designer information |
Inventor after: Dan Cho Inventor after: Zhang Xuejun Inventor after: Dong Weifeng Inventor after: Jin Ke Inventor after: Yang Lu Inventor before: Tan Yanchao Inventor before: Zhang Xuejun Inventor before: Dong Weifeng Inventor before: Jin Ke Inventor before: Yang Lu |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 Termination date: 20210419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |