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发明名称
SOUND-PROOF PANEL FOR A WALL
摘要
申请公布号
KR900007299(Y1)
申请公布日期
1990.08.13
申请号
KR19870010230U
申请日期
1987.06.25
申请人
CHOI MYUNG-JIN
发明人
CHOI MYUNG-JIN
分类号
E04B1/80;(IPC1-7):E04B1/80
主分类号
E04B1/80
代理机构
代理人
主权项
地址
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