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由化工部化工劳动保护研究所承担,受化工部第一胶片厂委托的《胶片生产暗室作业职业危害调查研究》课题,历经4年的调查研究和动态观察已经完成,于1990年4月13日在河北省保定市通过专家鉴
It was undertaken by the Chemical Labor Protection Institute of the Ministry of Chemical Industry and commissioned by the No.1 Film Factory of the Ministry of Chemical Industry to carry out the “Occupational Hazards Investigation and Research on Darkroom Operation in Film Production”. After four years of investigation and study and dynamic observation, it was completed on April 13, 1990 Baoding in Hebei Province by experts Kam