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            三达奥克化学股份有限公司     地址：大连高新园区龙头分园庆龙街51号     邮编：116051     辽ICP备05002220号-1
            
电话：0411-65856888     传真：0411-65853619     邮箱:sdok@www.peacestudiesinchina.com

            
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