CN216769108U - 一种使用寿命长的隧道施工用照明装置 - Google Patents
一种使用寿命长的隧道施工用照明装置 Download PDFInfo
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- CN216769108U CN216769108U CN202122649214.XU CN202122649214U CN216769108U CN 216769108 U CN216769108 U CN 216769108U CN 202122649214 U CN202122649214 U CN 202122649214U CN 216769108 U CN216769108 U CN 216769108U
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Effective date of registration: 20230509 Address after: 624000 Building 1, Hongsen Company Resettlement Community, West District, Zagunao Town, Li County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province Patentee after: Sichuan Zhongyue Construction Engineering Co.,Ltd. Address before: 409003 No. 8, Baiyangping, group 1, Tongping Juwei, Zhengyang Street, Qianjiang District, Chongqing Patentee before: Xi Bangchao |
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AV01 | Patent right actively abandoned |
Granted publication date: 20220617 Effective date of abandoning: 20230608 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20220617 Effective date of abandoning: 20230608 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |