DOER MED FOROEGET BRANDBESTANDIGHED

A door is disclosed which is primarily intended for application as a door being resistant to fire. This door having a more particularly metal frame, whereby disposed on the door frame is a material which foams under the effect of an increased temperature. Said material is applied in the form of a st...

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Bibliographische Detailangaben
1. Verfasser: HANS SCHULTHESS
Format: Patent
Sprache:dan
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