发明授权
US4983245A Process for making dressed leatherlike composites 失效
制作穿着皮革的复合材料的工艺

Process for making dressed leatherlike composites
摘要:
The invention also relates to a process for dressing a flat, water-absorbing and water-permeable substrate having a rough surface with depressions at least on that side to be provided with the dressing.
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