| 11. | Measurement of airborne noise emitted by machines ; enveloping surface method ; packaging and allied machinery
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| 12. | Measurement of airborne noise emitted by machines ; enveloping surface method ; mine trackless vehicles
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| 13. | Measurement of airborne noise emitted by machines ; enveloping surface method ; diesel traction trolleys
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| 14. | Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; cooling towers
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| 15. | Measurement of airborne noise emitted by machines ; enveloping surface method ; continuous handling equipment
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| 16. | Measurement of airborne noise emitted by machines ; enveloping surface method ; food , drink and allied machinery
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| 17. | Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; outboard motors
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| 18. | Measurement of airborne noise emitted by machines ; enveloping surface method ; cartridge - operated fixing tools
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| 19. | Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; hydraulic assemblies
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| 20. | Measurement of airborne noise emitted by machines ; enveloping surface method ; metal working machines ; milling machines
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