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Liaoning Chemical Industry
1004-0935
1999 Issue 1
guo nei wai sha shu ji yan zhi de hui gu yu zhan wang
tian ming xiang
..............page:25-27
he cheng gong yi leng ning ye hui shou li yong
zhou yu lian
..............page:51-52
peng qing hua na de he cheng gong yi ji ying yong
zheng xue jia
..............page:55-56