国家知识产权局信息显示,通用汽车环球科技运作有限责任公司申请一项名为“使用同心电极的两步点焊工艺”的专利,公开号CN121315404A,申请日期为2024年7月。专利摘要显示,本公开提供了一种同心电极。所述同心电极包括圆柱形底座和设置在圆柱形底座上的尖端。所述圆柱形底座沿旋转轴轴向延伸,并且所述圆柱形底座包括导电金属。所述尖端包括同心表面,所述同心表面从圆柱形底座轴向延伸并由具有外径的外肩部和...
Source Link国家知识产权局信息显示,通用汽车环球科技运作有限责任公司申请一项名为“使用同心电极的两步点焊工艺”的专利,公开号CN121315404A,申请日期为2024年7月。专利摘要显示,本公开提供了一种同心电极。所述同心电极包括圆柱形底座和设置在圆柱形底座上的尖端。所述圆柱形底座沿旋转轴轴向延伸,并且所述圆柱形底座包括导电金属。所述尖端包括同心表面,所述同心表面从圆柱形底座轴向延伸并由具有外径的外肩部和...
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