CN208011111U - 大直径k2型接口球墨铸铁管的插接结构 - Google Patents
大直径k2型接口球墨铸铁管的插接结构 Download PDFInfo
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CN108591648A (zh) * | 2018-03-30 | 2018-09-28 | 北京翔鲲水务建设有限公司 | 大直径k2型接口球墨铸铁管的插接结构与插接方法 |
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CN108591648A (zh) * | 2018-03-30 | 2018-09-28 | 北京翔鲲水务建设有限公司 | 大直径k2型接口球墨铸铁管的插接结构与插接方法 |
CN108591648B (zh) * | 2018-03-30 | 2024-08-02 | 北京清河水利建设集团有限公司 | 大直径k2型接口球墨铸铁管的插接结构与插接方法 |
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Address after: 100107 Qinghe Road, Haidian District, Beijing 191 Patentee after: Beijing Xiangkun Water Conservancy Project Co., Ltd. Address before: 100107 Room 201, Qinghe Road, Haidian District, Beijing, 201 Patentee before: Beijing Xiangkun Water Conservancy Project Co., Ltd. |
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CB03 | Change of inventor or designer information |
Inventor after: Yuan Weihong Inventor after: Gao You Inventor after: Su Yanchao Inventor after: Wang Zhanpeng Inventor after: Yi Yadong Inventor after: Ren Chao Inventor after: Zhang Jian Inventor after: Xu Wei Inventor after: Wang Xiaozheng Inventor after: Zhao Lei Inventor after: Zhao Zhifeng Inventor after: Cao Chunyan Inventor after: Tan Baoshan Inventor after: Li Mingchao Inventor before: Yuan Weihong Inventor before: Gao You Inventor before: Su Yanzhao Inventor before: Wang Zhanpeng Inventor before: Yi Yadong Inventor before: Ren Chao Inventor before: Zhang Jian Inventor before: Xu Wei Inventor before: Wang Xiaozheng Inventor before: Zhao Lei Inventor before: Zhao Zhifeng Inventor before: Cao Chunyan Inventor before: Tan Baoshan Inventor before: Li Mingchao |
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