纸张有哪些分类?按克重分几类?
纸张有哪些分类?按克重分几类?
其他人气:565 ℃时间:2020-02-05 08:41:49
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纸张大类可以他为包装和印刷类.小的分类又可以分为:(1).拷贝纸:17g正度规格:用于增值税票,礼品内包装,一般是纯白色.(2).打字纸:28g正度规格:用于联单.表格,有七种色分:白.红.黄.兰.绿.淡绿.紫色.(3).有光纸:3...
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