Insulating materials - Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes - Part 1: definitions, designations and general requirements.
绝缘材料。电工用热固性树脂基工业刚性圆形层压管和棒。第1部分：定义、名称与符号和一般要求。
Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 1: definitions, designations and general requirements.
绝缘材料。电工用热固性树脂基工业硬质层压片。第1部分：定义、名称与符号和一般要求。
Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 1: definitions, designations and general requirements.
绝缘材料。电工用热固性树脂基工业硬质层压片。第1部分：定义、名称与符号和一般要求。
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