Test method for d - c magnetic properties of materials using ring and permeameter procedures with d - c electronic hysteresigraphs 使用d - c电子磁滞曲线记录仪响铃和磁导仪程序的材料的d - c磁化特性测试方法
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Standard test method for dc magnetic properties of materials using ring and permeameter procedures with dc electronic hysteresigraphs 使用d - c电磁滞曲线记录仪的参数处理和环型材料的d - c磁性能的标准试验方法