CH565294A5CH663473ACH663473ACH565294A5CH 565294 A5CH565294 A5CH 565294A5CH 663473 ACH663473 ACH 663473ACH 663473 ACH663473 ACH 663473ACH 565294 A5CH565294 A5CH 565294A5
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CH
Switzerland
Application number
CH663473A
Original Assignee
Grillo Werke Ag
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Publication date
Application filed by Grillo Werke AgfiledCriticalGrillo Werke Ag
Publication of CH565294A5publicationCriticalpatent/CH565294A5/xx
E04D13/033—Sky-lights; Domes; Ventilating sky-lights provided with means for controlling the light-transmission or the heat-reflection, (e.g. shields, reflectors, cleaning devices)
La coppella "piramid" e' stata progettata in modo di poter industrializzarne la realizzazione con basso impatto economico. la particolarita' principale della coppella consiste nella grecatura fissata alla lamiera di estradosso in modo di ottenere una