ENVIRONMENTAL HYGIENE (ENVIRONMENTAL PROTECTION)
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BTENVIRONMENTAL PROTECTION/PROTECTION MEASURES
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UDC504.064.4.004.5
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Descriptor GERUMWELTHYGIENE (UMWELTSCHUTZ)
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Descriptor ENGENVIRONMENTAL HYGIENE (ENVIRONMENTAL PROTECTION)
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Descriptor FREHYGIÈNE ENVIRONNEMENTALE (PROTECTION DE L'ENVIRONNEMENT)
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Variant GERHYGIENE/UMWELTHYGIENE (UMWELTSCHUTZ)
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Variant ENGHYGIENE/ENVIRONMENTAL HYGIENE (ENVIRONMENTAL PROTECTION)
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Variant FREENVIRONNEMENT/HYGIÈNE ENVIRONNEMENTALE (PROTECTION DE L'ENVIRONNEMENT)
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NTSOIL CONSERVATION AND SOIL HYGIENE (ENVIRONMENTAL PROTECTION)
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NTAIR HYGIENE + AIR PURIFICATION + CLEAN AIR (ENVIRONMENTAL PROTECTION)
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NTURBAN HYGIENE
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RTOCCUPATIONAL MEDICINE + OCCUPATIONAL HYGIENE
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RTHEALTH + HYGIENE
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RTENVIRONMENTAL HEALTH + ENVIRONMENTAL MEDICINE