BS EN ISO 11821:1997 :
BS EN ISO 11821:1997 : 1379958
BS EN ISO 11821:1997 :
Title: Acoustics. Measurement of the in situ sound attenuation of a removable screen
Pages: 20
Year:
Publisher: British Standards Institution
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
Title: Acoustics. Measurement of the in situ sound attenuation of a removable screen
Pages: 20
Year:
Publisher: British Standards Institution
Availability: Within 1-2 working days BSI will directly send the standards to End-User after our confirmation.
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