CN211772817U - 一种防水卷材及其铁路混凝土桥面复合防水结构 - Google Patents
一种防水卷材及其铁路混凝土桥面复合防水结构 Download PDFInfo
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Address after: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee after: Hengshui Zhongyu Tiexin Waterproof Technology Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee before: HENGSHUI ZHONGTIEJIAN EARTHWORK MATERIAL MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20220718 Address after: 100081 303, two district, 2, Da Liu Shu Lu, Haidian District, Beijing. Patentee after: CARS RAILWAY ENGINEERING Research Institute Patentee after: HEBEI TONGCHUANG TRAFFIC ENGINEERING MATCHING PRODUCT INDUSTRY TECHNOLOGY Co.,Ltd. Patentee after: CHINA RAILWAY ECONOMIC AND PLANNING RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA RAILWAY DESIGN Corp. Patentee after: CHINA RAILWAY FIRST SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee after: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Patentee after: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Patentee after: CHINA RAILWAY ENGINEERING CONSULTATION GROUP Co.,Ltd. Patentee after: CHINA RAILWAY SHANGHAI DESIGN INSTITUTE GROUP Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee before: Hengshui Zhongyu Tiexin Waterproof Technology Co.,Ltd. |
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