CN211628683U - 一种建筑工地用降噪装置 - Google Patents
一种建筑工地用降噪装置 Download PDFInfo
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- CN211628683U CN211628683U CN201921997120.8U CN201921997120U CN211628683U CN 211628683 U CN211628683 U CN 211628683U CN 201921997120 U CN201921997120 U CN 201921997120U CN 211628683 U CN211628683 U CN 211628683U
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- 238000010276 construction Methods 0.000 title claims description 13
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CN201921997120.8U CN211628683U (zh) | 2019-11-19 | 2019-11-19 | 一种建筑工地用降噪装置 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20210125 Address after: No.235, Jianshe North Road, Xinghualing District, Taiyuan City, Shanxi Province Patentee after: Yu Naian Address before: 602, building 4, Zhubang 2000 business center, Chaoyang District, Beijing 100025 Patentee before: Xu Yansheng |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210207 Address after: No.235, Jianshe North Road, Xinghualing District, Taiyuan City, Shanxi Province Patentee after: SHANXI HONGTU CONSTRUCTION GROUP Co.,Ltd. Address before: No.235, Jianshe North Road, Xinghualing District, Taiyuan City, Shanxi Province Patentee before: Yu Naian |
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TR01 | Transfer of patent right |