论文部分内容阅读
河北省石化系统第四届工业卫生协作组年会暨健康监护研讨会于1992年12月7—10日在沧州召开,共30余人出席了会议。会上
Hebei Province Petrochemical System Fourth Industrial Hygiene Collaboration Group Annual Meeting and Health Care Seminar held in Cangzhou December 7-10, 1992, a total of more than 30 people attended the meeting. At the meeting