第一代 笔芯颜色/规格：焦糖棕(0.7咖啡色芯)、雾霾蓝(0.7蓝芯)、勃艮第红(0.7红芯)
第二代 笔芯颜色/规格：矿灰(0.7灰芯)、海棠紫(0.7紫芯)、橙黄(0.7黄芯)
保存期限：二年
容量：每支0.25gm
使用方式：使用后，请盖紧笔盖
用途：书写
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