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发明名称
PEG
摘要
申请公布号
KR920008233(Y1)
申请公布日期
1992.11.14
申请号
KR19900008668U
申请日期
1990.06.18
申请人
HONG, SOK - HWA
发明人
HONG, SOK - HWA
分类号
E04H15/62;(IPC1-7):E04H15/62
主分类号
E04H15/62
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