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Guangdong Chemical Industry
1007-1865
1979 Issue 1
ju an zuo ren gong xin zang cai liao
huang hui gang ;
..............page:26-35
cu suan qian sheng chan gong yi de gai jin
li bing chun ;
..............page:40-42
nong yao de du xing can liu yu nong yao de he li shi yong
zhao shan huan ; huang zhang xin ;
..............page:1-21