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发明名称
INCOMBUSTIBLE SOUND-PROOF BOARD
摘要
申请公布号
KR200168597(Y1)
申请公布日期
2000.02.15
申请号
KR19990019169U
申请日期
1999.09.09
申请人
NA, YUN-DEUK
发明人
NA, YUN-DEUK
分类号
E04B1/84;(IPC1-7):E04B1/84
主分类号
E04B1/84
代理机构
代理人
主权项
地址
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