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Thermally insulated aluminum door or window frame
Thermally insulated aluminum door or window frame
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机译:隔热铝门窗框
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摘要
A metal door or window frame comprises mobile and fixed frameworks each formed by a sub-frame including a substantially tubular section effective to be positioned on the side thereof facing the room interior and a cover section effective to be positioned on the side thereof facing outwards, between the sub-frames and the cover sections insulating material elements being provided for defining an uninterrupted heat insulating barrier therebetween.
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