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发明名称
PROTECTOR OF THRESHOLD
摘要
申请公布号
KR900009897(Y1)
申请公布日期
1990.10.20
申请号
KR19870004347U
申请日期
1987.03.30
申请人
KIM HYUNG-DON
发明人
KIM HYUNG-DON
分类号
E06B1/70;(IPC1-7):E06B1/70
主分类号
E06B1/70
代理机构
代理人
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