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Priority claimed from DE19712165796external-prioritypatent/DE2165796C3/de
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Publication of NL7217508ApublicationCriticalpatent/NL7217508A/xx
E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
E04D13/143—Junctions of roof sheathings to chimneys or other parts extending above the roof with ventilating means in junctions of roof sheathings to parts extending above the roof