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CO-BoSNA |
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20260105155248.0 |
| 008 |
060308s1991^^^^ck^a^^^gru^^^^000^0^spa^d |
| 040 |
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|a CO-BoSNA
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|e rda
|
| 082 |
0 |
4 |
|a 620.230218
|b I597a
|2 23
|
| 084 |
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|
|a 13.340.20
|2 ics
|
| 084 |
|
|
|a 17.140.01
|2 ics
|
| 110 |
2 |
|
|a Instituto Colombiano de Normas Técnicas y Certificación
|e autor
|
| 243 |
1 |
0 |
|a Normas técnicas
|
| 245 |
1 |
0 |
|a Acústica : protectores auditivos : método simplificado para la medición de la atenuación por inserción de protectores tipo orejera para propósitos de inspección de calidad
|b Acoustic : hearing protectors : simplified method for measurement of insertion loss of ear- maff type protector for quality inspection purpose /
|c Icontec.
|
| 246 |
3 |
7 |
|a NTC 2950
|
| 246 |
3 |
1 |
|a Acoustic :
|b hearing protectors : simplified method for measurement of insertion loss of ear- maff type protector for quality inspection purpose
|
| 264 |
|
1 |
|a Bogotá :
|b Icontec,
|c 1991.
|
| 300 |
|
|
|a 9 páginas :
|b ilustraciones ;
|c 29 cm.
|
| 336 |
|
|
|a texto
|2 rdacontent
|
| 337 |
|
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|a sin mediación
|2 rdamedia
|
| 338 |
|
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|a volumen
|2 rdacarrier
|
| 650 |
1 |
7 |
|a Control del ruido
|x Medidas de seguridad
|v Normas técnicas
|2 Armarc 2.0
|
| 650 |
2 |
7 |
|a Audición
|x Protección
|v Normas técnicas
|2 Armarc 2.0
|
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|r 2026-01-05 15:52:48
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|z Calle 15 No. 31-42, Bogotá
|
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|t Ej. 2
|w 2026-01-05
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|y BOOK
|z Calle 15 No. 31-42, Bogotá
|
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|y BOOK
|z Calle 25B No. 31 - 260 Av. Mariscal, Sincelejo Sucre
|
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| 942 |
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