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由化工部化工劳动保护研究所等单位承担的“橡胶行业硫化、炼胶作业工人恶性肿瘤流行病学调查”课题,于1990年12月26日通过鉴定。以劳动卫生专家刘世杰教授为主
By the Ministry of Chemical Industry Institute of Chemical and Labor Protection and other units to bear the “vulcanization rubber industry workers rubber epidemiological survey” task, on December 26, 1990 passed the appraisal. To labor and health experts Professor Liu Shijie