MATERIAL FOR MASK

PURPOSE: To obtain a material for mask free from stickiness and stuffy feeling in use and exhibiting excellent comfortableness by laminating plural specific nonwoven fabric sheets. CONSTITUTION: This nonwoven fabric material for mask to enable easy breathing and speach is produced by laminating a no...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: OSATO KIYOKAZU
Format: Patent
Sprache:eng
Schlagworte:
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