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Products > average > Hangzhou ZH Tech Co., Ltd | Similar Products
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average

" found 2 Products from Hangzhou ZH Tech Co., Ltd, China
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(1-2 out of 2)

Baby Muffy

Baby Muffy
Average noise reduction value dB 12.9 8.8 15.0 22.0 29.4 26.5 35.6 36.5 Standard deviation dB 4.4 2.4 4.2 3.2 4.0 4.7 4.0 7.2 xpected noise reduction value in dB ...

Ice Cream Child Ear Protection

Ice Cream Child Ear Protection
Average noise reduction value dB 12.9 8.8 15.0 22.0 29.4 26.5 35.6 36.5 Standard deviation dB 4.4 2.4 4.2 3.2 4.0 4.7 4.0 7.2 expected noise reduction value in dB ...
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