To supervise the work safety conditions, equipment and facility safety and safety qualification certification of related personnel of coal mine enterprises.
依法监察煤矿企业安全生产条件、设备设施安全和有关人员安全资格持证情况，依法查处不具备安全生产条件的煤矿。
En 473 Non-Destructive Testing-Qualification And Certification Of NDT Personnel-General principles.
EN 473无损测试人员认证和证书——通用标准。
En 473 Non-Destructive Testing-Qualification And Certification Of NDT Personnel-General principles.
EN 473无损测试人员认证和证书——通用标准。
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