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发明名称
METHOD FOR PREPARING POLYESTER HAVING IMPROVED TRANSPARENCY
摘要
申请公布号
KR1019930004619(B1)
申请公布日期
1993.06.02
申请号
KR1019890015598
申请日期
1989.10.28
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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