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发明名称
BACKUP BOARD HAVING HARD SURFACE AND INTERNAL CORE LAYER OF SOFT MATERIAL FOR DRILL PROCESSING AND METHOD OF MANUFACTURING THE SAME
摘要
申请公布号
KR100222002(B1)
申请公布日期
1999.10.01
申请号
KR19960045175
申请日期
1996.10.09
申请人
CSS ASIA CO., LTD.
发明人
JU, MYEONG-CHEOL
分类号
B32B3/12;B32B5/14;B32B21/08;(IPC1-7):B32B5/14
主分类号
B32B3/12
代理机构
代理人
主权项
地址
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