CN102248574B - 一种接触网用混凝土坠砣的制作方法及混凝土坠砣 - Google Patents
一种接触网用混凝土坠砣的制作方法及混凝土坠砣 Download PDFInfo
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CN103359987A (zh) * | 2012-04-06 | 2013-10-23 | 北京盈电电气有限公司 | 一种复合坠砣及其制造方法 |
CN103539388A (zh) * | 2012-07-11 | 2014-01-29 | 辽宁海力高电气有限公司 | 包覆式复合坠砣及其制造方法 |
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CN1390731A (zh) * | 2002-06-28 | 2003-01-15 | 王喜顺 | 制做附有装饰面料混凝土坠砣的专用模具及其制砣方法 |
CN2863412Y (zh) * | 2005-06-17 | 2007-01-31 | 谢秋林 | 一种水泥砌块制砖机的变频振动系统 |
CN2889673Y (zh) * | 2006-03-29 | 2007-04-18 | 郑祖元 | 混凝土试件振动台 |
CN201604536U (zh) * | 2010-03-22 | 2010-10-13 | 石家庄富源供电工程有限公司 | 一种电气化铁路接触网专用重混凝土补偿坠砣 |
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Owner name: THE ELECTRICAL SERVICE ENGINEERING CO., LTD. OF CH Effective date: 20120508 Owner name: CHINA RAILROAD 11 BUREAU GROUP CO. LTD. Free format text: FORMER OWNER: THE ELECTRICAL SERVICE ENGINEERING CO., LTD. OF CHINA RAILWAY 11TH GROUP Effective date: 20120508 |
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Effective date of registration: 20120508 Address after: 430000 No. 347, Wuchang, Wuhan District, Hubei, Zhongshan Road Applicant after: China Railroad 11 Bureau Group Co., Ltd. Co-applicant after: The Electrical Service Engineering Co., Ltd. of China Railway 11th Group Address before: 430000 Kanto Industrial Zone, East Lake New Technology Development Zone, Wuhan, Hubei Applicant before: The Electrical Service Engineering Co., Ltd. of China Railway 11th Group |
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