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Excess noise attenuation (Leq) solely because of green belts in JCF and RCF was 3· With a B&K Type 4224 noise supply operated on spectrum I mode, the utmost total …
Excess noise attenuation (Leq) solely because of green belts in JCF and RCF was 3· With a B&K Type 4224 noise supply operated on spectrum I mode, the utmost total …