IS 8159 : 1993 Scales and sizes for plotting frequency characteristics and polar diagrams
UDC 621.3.085.4 : 621.317.616 : 621.3.012.12 | LTD 7 |
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Reaffirmed 2019 |
1 Scope
1.1 This standard specifies standard proportions for the scalesfor plotting frequency characteristics and polar diagrams.
1.2 This standard does not apply to audiograms.