CN214467072U - 一种用于金属波纹管管口加强结构 - Google Patents
一种用于金属波纹管管口加强结构 Download PDFInfo
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Effective date of registration: 20211202 Address after: 053000 No. 18, rubber road, high tech Zone, Hengshui City, Hebei Province Patentee after: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. Patentee after: KUNMING SURVEY DESIGN AND RESEARCH INSTITUTE Co.,Ltd. OF CREEC Patentee after: Li Chuanlin Patentee after: Che Wenqing Patentee after: Sun Xiwang Patentee after: Zhang Dunbao Patentee after: Peng Bo Address before: 053000 No.18, Xiangsu Road, high tech Zone, Hengshui City, Hebei Province Patentee before: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. |