CN209294213U - 一种可防止螺钉掉落的结构 - Google Patents
一种可防止螺钉掉落的结构 Download PDFInfo
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Address after: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 5 Chengdu hi tech Zone Innovation Service Center Patentee after: Haohua Chemical Technology Group Co.,Ltd. Address before: No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee before: SICHUAN TIANYI SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20200703 Address after: No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee after: SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 5 Chengdu hi tech Zone Innovation Service Center Patentee before: Haohua Chemical Technology Group Co.,Ltd. |
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