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GB/T 380 ʯ�ͮa(ch��n)Ʒ��y��ȼ��

GB/T 387 ��ɫʯ�ͮa(ch��n)Ʒ��y��ʽ�t��

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GB 475-1996 ��Ʒú�Ӳ�ȡ��

GB 474-1996 ú�ӵ��Ƃ䷽��

GB/T 4756-1998 ʯ��Һ�w�ֹ�ȡ�ӷ�

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��\|(zh��)��ȼ��		≤1.00	GB/T387