BS EN 17020-4:2021 :
BS EN 17020-4:2021 : 1390277
BS EN 17020-4:2021 :
Title: Extended application of test results on durability of self-closing for doorsets and openable windows Durability of self-closing of fire resistance and/or smoke control hinged and pivoted metal framed glazed doorsets and openable windows
Pages: 58
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
Title: Extended application of test results on durability of self-closing for doorsets and openable windows Durability of self-closing of fire resistance and/or smoke control hinged and pivoted metal framed glazed doorsets and openable windows
Pages: 58
Year:
Publisher: BSI
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
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