CN208252134U - 一种可伸缩性钢拱架 - Google Patents
一种可伸缩性钢拱架 Download PDFInfo
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- CN208252134U CN208252134U CN201820848647.3U CN201820848647U CN208252134U CN 208252134 U CN208252134 U CN 208252134U CN 201820848647 U CN201820848647 U CN 201820848647U CN 208252134 U CN208252134 U CN 208252134U
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CN108561161A (zh) * | 2018-06-01 | 2018-09-21 | 齐鲁交通发展集团有限公司 | 一种可伸缩性钢拱架 |
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CN108561161A (zh) * | 2018-06-01 | 2018-09-21 | 齐鲁交通发展集团有限公司 | 一种可伸缩性钢拱架 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: No.8, Longao North Road, Lixia District, Jinan City, Shandong Province Co-patentee after: SHANDONG University Patentee after: Shandong high speed Group Co.,Ltd. Address before: 250102 D, Yinfeng Fortune Plaza, 1 Longao Xi Road, Ji'nan, Shandong. Co-patentee before: SHANDONG University Patentee before: QILU TRANSPORTATION DEVELOPMENT GROUP Co.,Ltd. |
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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: 20181218 Termination date: 20210601 |