BS 7135-1:1989

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Methods for determining the A-weighted sound power levels based on measurements in reverberant rooms or in free-field conditions over a reflecting plane, and A-weighted sound pressure levels at the operator or bystander positions.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:

08/31/1989

ISBN(s):

0580175111

Number of Pages:

46

File Size:

1 file

Product Code(s):

199996, 199996, 199996

Note:

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