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铝粉生产工人粉尘作业危害程度分级调查王雅萍，姜荣福，胡杰（东北轻合金加工厂医院）报道：根据中华人民共和国《生产性粉尘作业危害程度分级》ＧＢ５８１７－８６标准，我们对从事铝粉作业的４个生产车间２６个工种进行了分级调查。结果铝尘作业时间率平均为５８．６４...
According to People’s Republic of China “Classification of hazardous dust operations” GB5817-86 standard, we are engaged in aluminum powder operations 26 workshops of 4 production workshops were conducted grading survey. Results Aluminum dust job time rate average of 58.64 ...