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Priority to JP654690UpriorityCriticalpatent/JPH0534886Y2/ja
Publication of JPH0398011UpublicationCriticalpatent/JPH0398011U/ja
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Publication of JPH0534886Y2publicationCriticalpatent/JPH0534886Y2/ja
Conjunto de hoja destinado para desaguar velos fibrosos,siendo dicha hoja permeable por lo menos a medios gaseosos y teniendo una capa superficial con canales pasantes formados en la misma