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Ethylene Industry
1671-7120
1990 Issue 1
ruan jian kai fa xin xi
yu cheng lie ;
..............page:60
xi ting chang jia qing jing zhi gong yi de gai jin
zhang dian hua ;
..............page:47-55
chang yi
yu cheng lie ;
..............page:61
liao hua 21~# zheng qi lie jie zhuang zhi de gai zao
zhao su zhi ;
..............page:1-14
shuang tao guan ji leng guo lu sun huai de yuan yin fen xi yu xiu fu
li yu min ; zhang hua ;
..............page:30-34
wei shi me yao gai zao lie jie lu
wang yan zuo ;
..............page:37-46