A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.

 
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< In-hive trap and attractant composition for the control of the small hive beetle, Aethina tumida

> Nonhuman model animal suffering from Guillain-Barre syndrome and/or fisher syndrome
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