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DIN EN 1279-1-2004
Glass in building - Insulating glass units - Part 1: Generalities, dimensional tolerances and rules for the system description
适用范围：This Standard is the product standard for insulating glass units, which defines insulating glass units, and ensures by means of an adequate evaluation of conformity to this standard that: energy savings are made because the U-value and solar factor do not change significantly; health is preserved because sound reduction and vision do not change significantly; safety is provided because mechanical resistance does not change significantly.
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