CN213173391U - 一种轨道交通高架声屏障用背板 - Google Patents
一种轨道交通高架声屏障用背板 Download PDFInfo
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- CN213173391U CN213173391U CN202021242061.6U CN202021242061U CN213173391U CN 213173391 U CN213173391 U CN 213173391U CN 202021242061 U CN202021242061 U CN 202021242061U CN 213173391 U CN213173391 U CN 213173391U
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CN202021242061.6U CN213173391U (zh) | 2020-06-30 | 2020-06-30 | 一种轨道交通高架声屏障用背板 |
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CN202021242061.6U CN213173391U (zh) | 2020-06-30 | 2020-06-30 | 一种轨道交通高架声屏障用背板 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20240508 Address after: No. 118, Zhaohe Group, Zhaohe Village, Tangquan Township, the Taihu Lake County, Anqing City, Anhui Province 246000 Patentee after: Anhui Qinhe Water Conservancy Engineering Co.,Ltd. Country or region after: China Address before: 473300 the northeast corner of the intersection of Weisan road and Fumin Road, industrial cluster area, Sheqi County, Nanyang City, Henan Province Patentee before: Henan Qiangjie Environmental Protection Engineering Co.,Ltd. Country or region before: China |
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AV01 | Patent right actively abandoned |
Granted publication date: 20210511 Effective date of abandoning: 20240522 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20210511 Effective date of abandoning: 20240522 |