CN206550448U - 一种城轨交通装置用端齿加工自定心工装 - Google Patents
一种城轨交通装置用端齿加工自定心工装 Download PDFInfo
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CN109940426A (zh) * | 2019-04-28 | 2019-06-28 | 株洲齿轮有限责任公司 | 铣对称双键槽夹具及铣槽装置 |
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CN109940426A (zh) * | 2019-04-28 | 2019-06-28 | 株洲齿轮有限责任公司 | 铣对称双键槽夹具及铣槽装置 |
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Effective date of registration: 20171222 Address after: 450000 science avenue of Zhengzhou high tech Industrial Development Zone, Zhengzhou, Henan Province, No. Patentee after: Zhengzhou rail transportation equipment Technology Co. Ltd. Address before: Fengyang high tech Development Zone in Henan Province, Zhengzhou City, 450000 street, No. 10 Patentee before: Zhengzhou Research Institute of Mechanical Engineering |
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Effective date of registration: 20220401 Address after: 450000 149 science Avenue, Zhengzhou high tech Industrial Development Zone, Henan Patentee after: ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING Co.,Ltd. Address before: 450000 149 science Avenue, Zhengzhou high tech Industrial Development Zone, Henan Patentee before: Zhengzhou rail transportation equipment Technology Co.,Ltd. |