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Tianjin Chemical Industry
1008-1267
1990 Issue 4
xin xing si liao tian jia ji lin suan zuo
ding zhu ming
..............
page:6-8
cai yong la ge lang ri cheng zi fa dui duo xiao zheng fa jin xing you hua she ji
shen zuo
..............
page:22-24
xin xing shui chu li ji - gao tie suan jia
kou li hua
..............
page:14-17