CN219065174U - 一种高精确度的电动双洛氏硬度计 - Google Patents
一种高精确度的电动双洛氏硬度计 Download PDFInfo
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Effective date of registration: 20240320 Address after: No. 15, Xinwu Group, Chajian Village, Yiyang Town, Changning City, Hengyang City, Hunan Province, 421500 Patentee after: Li Shiji Country or region after: China Address before: 261400 Cheng Guo Zhen Hong Gou tou Cun, Laizhou City, Yantai City, Shandong Province Patentee before: Laizhou AITai Automation Technology Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240402 Address after: Room 915, Building 22, 23, and 27, Zhongjian Furong Jiayuan, No. 85 Laofuchong Road, Tianxin District, Changsha City, Hunan Province, 410000 Patentee after: Hunan Jiran Technology Co.,Ltd. Country or region after: China Address before: No. 15, Xinwu Group, Chajian Village, Yiyang Town, Changning City, Hengyang City, Hunan Province, 421500 Patentee before: Li Shiji Country or region before: China |