SAE J 919-2013 Sound Measurement Off-Road Work Machines Operator Singular Type《声波测量 野外作业机器操作人员 单一型》.pdf

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5、ilized 2013-07 Superseding J919 JAN2009 Sound Measurement - Off-Road Work Machines Operator - Singular Type RATIONALE The test method defined within SAE J919 has been developed and used for nearly 40 years. Updates to this standard have been to align with updated references and no additional changes

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