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World Standards News
1002-5774
1997 Issue 9
iso de huan jing biao zhi
yu xiao qing ;
..............page:9
zen yang zheng que ren shi iso9000 yu iso14000
yu xiao qing ;
..............page:8-9
e luo si guo jia biao zhun ti lu
..............page:10
zheng ding xin xi
..............page:11