CN216038514U - 一种隧道施工用隧道顶部维修设备 - Google Patents
一种隧道施工用隧道顶部维修设备 Download PDFInfo
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- CN216038514U CN216038514U CN202121813485.8U CN202121813485U CN216038514U CN 216038514 U CN216038514 U CN 216038514U CN 202121813485 U CN202121813485 U CN 202121813485U CN 216038514 U CN216038514 U CN 216038514U
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CN202121813485.8U CN216038514U (zh) | 2021-08-05 | 2021-08-05 | 一种隧道施工用隧道顶部维修设备 |
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CN202121813485.8U CN216038514U (zh) | 2021-08-05 | 2021-08-05 | 一种隧道施工用隧道顶部维修设备 |
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CN216038514U true CN216038514U (zh) | 2022-03-15 |
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CN202121813485.8U Withdrawn - After Issue CN216038514U (zh) | 2021-08-05 | 2021-08-05 | 一种隧道施工用隧道顶部维修设备 |
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Effective date of registration: 20230316 Address after: No. 99, Dongyao Road, Dongyao Town, Linzhou City, Anyang City, Henan Province, 456500 Patentee after: Henan Chaohong Construction Engineering Co.,Ltd. Address before: 553000 Room 501, No. 12, health care lane, Zhongshan District, Liupanshui City, Guizhou Province Patentee before: Zhang Lei |
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AV01 | Patent right actively abandoned |
Granted publication date: 20220315 Effective date of abandoning: 20230612 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20220315 Effective date of abandoning: 20230612 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |