DIN EN 17020-4:2021-09
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DIN EN 17020-4:2021-09

Extended application of test results on durability of self-closing for doorsets and openable windows - Part 4: Durability of self-closing of fire resistance and/or smoke control hinged and pivoted metal framed glazed doorsets and openable windows; German version EN 17020-4:2021
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Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 09/01/2021
Page Count 8
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Weight (in grams) ---
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