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发明名称
PROCESS FOR PRODUCING WATERPROOF PAPER
摘要
申请公布号
KR1019900006345(B1)
申请公布日期
1990.08.28
申请号
KR1019870001034
申请日期
1987.02.09
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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