CN215562049U - 一种多层复合型吸隔声屏障 - Google Patents
一种多层复合型吸隔声屏障 Download PDFInfo
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Address after: 100032 No.5 Fuchengmen North Street, Xicheng District, Beijing Patentee after: Liu Haibo Patentee after: Cui Zhiyuan Patentee after: Chengdu zhuokong Environmental Protection Technology Co.,Ltd. Address before: 100032 No.5 Fuchengmen North Street, Xicheng District, Beijing Patentee before: Liu Haibo Patentee before: Cui Zhiyuan Patentee before: XI'AN ZHUOKONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |