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电焊作业场所锰尘危害程度分级探讨刘新忠１刘贺荣２朱玲琴２为加强有毒作业的环境监测及工人健康监护，有计划、有重点地开展职业中毒预防工作，１９９６年，我们对某市５个工厂进行了电焊作业岗位锰尘浓度测定，并根据《中华人民共和国国家标准有毒作业分级》（ＧＢ１２...
In order to strengthen environmental monitoring and workers’ health guardianship of poisonous operations, we carried out occupational poisoning prevention work in a planned and focused manner. In 1996, we conducted a survey of 5 factories in a certain city The job of welding position manganese dust concentration determination, and according to “People’s Republic of China national standard toxic work grading” (GB12 ...