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发明名称
INSULATING SOUNDPROOF BLOCK
摘要
申请公布号
KR1019930010213(B1)
申请公布日期
1993.10.15
申请号
KR1019910002962
申请日期
1991.02.23
申请人
发明人
分类号
主分类号
代理机构
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