安全生产监督检查人员执行监督检查任务时，必须出示有效的监督执法证件；
When performing their tasks, work safety supervisors and inspectors shall produce their effective identification documents for supervision and law enforcement.
安全生产监督检查人员执行监督检查任务时，必须出示有效的监督执法证件；
When performing their tasks, work safety supervisors and inspectors shall produce their effective identification documents for supervision and law enforcement.
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