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DIN EN 1670:2007
Building hardware - Corrosion resistance - Requirements and test methods; German version EN 1670:2007
This European Standard specifies the requirements for the corrosion resistance of hardware for doors, windows, shutters and curtain walling. The standard specifies requirements for both coated and uncoated surfaces, four grades of corrosion resistance bei
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Deutsches Institut für Normung [din]