专利名称：Device for automatically tensioning and
retaining under tension a flexible material
发明人：DE BOEF, JOHANNES ANTONIE GERARDUS申请号：EP92200540.0申请日：19920226公开号：EP0503705A2公开日：19920916
专利附图：
摘要：Device for attaching in a holder a flexible flat material as an announcing orsignalling area which is to be tensioned and retained under tension, even if wind ortemperature effects come into contact with the material, clasps and hinge springs
exerting a certain tension which compensates for any expansion of the material occurring.
申请人：ROMEIJN BEHEER B.V.
地址：TOBIAS ASSERLAAN 56; NL-5056 VD BERKEL-ENSCHOT,Tobias Asserlaan 56 NL-5056 VD Berkel-Enschot NL
国籍：NL
代理机构：Bartelds, Erik
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