(Q48572871)
Statements
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Noise attenuation and proper insertion of earplugs into ear canals (English)
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Markku Toivonen
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Rauno Pääkkönen
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Seppo Savolainen
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Kyösti Lehtomäki
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1 August 2002
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46
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6
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527-530
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Identifiers
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