CN208020358U - 一种教学用拉花锯 - Google Patents
一种教学用拉花锯 Download PDFInfo
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- CN208020358U CN208020358U CN201820262316.1U CN201820262316U CN208020358U CN 208020358 U CN208020358 U CN 208020358U CN 201820262316 U CN201820262316 U CN 201820262316U CN 208020358 U CN208020358 U CN 208020358U
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CN201820262316.1U CN208020358U (zh) | 2018-02-22 | 2018-02-22 | 一种教学用拉花锯 |
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Cited By (1)
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WO2023019708A1 (zh) * | 2021-08-18 | 2023-02-23 | 刘明君 | 一种安全拉花锯 |
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WO2023019708A1 (zh) * | 2021-08-18 | 2023-02-23 | 刘明君 | 一种安全拉花锯 |
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Effective date of registration: 20230721 Address after: A0900, 5th floor, No. 32 Zhongguancun Street, Haidian District, Beijing, 100081 Patentee after: Nazhi Laochuang (Beijing) Technology Industry Development Co.,Ltd. Address before: 2014 China University of Geosciences, No. 20 Chengfu Road, Haidian District, Beijing, 100080 Patentee before: Liu Mingjun |
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Effective date of registration: 20240221 Address after: 518000 L408-1, Floor 4, Longhua City, Shenzhen Book City, No. 1389, Meilong Avenue, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN AICHUANG TECHNOLOGY EDUCATION Co.,Ltd. Country or region after: China Address before: A0900, 5th floor, No. 32 Zhongguancun Street, Haidian District, Beijing, 100081 Patentee before: Nazhi Laochuang (Beijing) Technology Industry Development Co.,Ltd. Country or region before: China |