CN213013982U - 一种市政道路施工用吸声隔音板 - Google Patents
一种市政道路施工用吸声隔音板 Download PDFInfo
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Effective date of registration: 20240822 Address after: No. 23 Conghua Avenue, Chengjiao Street, Conghua District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Lisheng Construction Engineering Co.,Ltd. Country or region after: China Address before: Room 805, 806, No. 50, science Avenue, Guangzhou hi tech Industrial Development Zone, Guangdong 510000 Patentee before: Guangdong Yizhong Construction Engineering Co.,Ltd. Country or region before: China |
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