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Priority to JP1986202121UpriorityCriticalpatent/JPH0510890Y2/ja
Publication of JPS63107714UpublicationCriticalpatent/JPS63107714U/ja
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Publication of JPH0510890Y2publicationCriticalpatent/JPH0510890Y2/ja
Method for the production of a multi-layer non-woven fabric material provided with at least one layer with areas having a different fibre density, non-woven fabric material produced with said method and moistened cloth prepared with this material, in particular for cleaning floors