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发明名称
FILE OF PAPERS
摘要
申请公布号
KR900003495(Y1)
申请公布日期
1990.04.28
申请号
KR19870015264U
申请日期
1987.09.07
申请人
PARK, CHEOL-WOONG
发明人
PARK, CHEOL-WOONG
分类号
B42F1/02;B42F7/06;(IPC1-7):B42F1/02
主分类号
B42F1/02
代理机构
代理人
主权项
地址
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