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发明名称
EVAPORATING-CONCENTRATING METHOD OF ACID IN RAYON OR STAPLE FIBER SPINNING BATH
摘要
申请公布号
KR1019880001494(B1)
申请公布日期
1988.08.16
申请号
KR1019830004797
申请日期
1983.10.10
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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