A type of light weight decorative base paper has been made from bleached sulfate softwood pulp and cotten pulp under laboratory conditions.
在实验室条件下，以漂白硫酸盐针叶木浆与棉浆试制轻型装饰原纸。
A type of light weight decorative base paper has been made from bleached sulfate softwood pulp and cotten pulp under laboratory conditions.
在实验室条件下，以漂白硫酸盐针叶木浆与棉浆试制轻型装饰原纸。
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