The enterprise must submit proof material to Demeter Internationale. V. for approval before printing.
企业须在印刷前向德米特国际提交证明材料并得到许可。
Drying time: in printing, the time required for an ink to form a rub-proof surface. Also, the time needed for drying before the opposite side of a sheet can be printed or finished.
干燥时间：印刷时，油墨形成一层耐磨擦的表面所需的时间，亦是印反面或作完成加工前所需的时间。
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