电工用纤维素纸规范。第3部分：单项材料规范。第3活页：皱纹纸。
Specification for cellulosic papers for electrical purposes. Part 3: Specifications for individual materials. Sheet 3: crepe paper.
电工用纤维素纸规范。第3部分：单项材料规范。第1活页：一般用途电工纸。
Specification for cellulosic papers for electrical purposes. Part 3: Specifications for individual materials. Sheet 1: General purpose electrical paper.
电工用纤维素纸规范。第3部分：单项材料规范。第1活页：一般用途电工纸。
Specification for cellulosic papers for electrical purposes. Part 3: Specifications for individual materials. Sheet 1: General purpose electrical paper.
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