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经营范围
发明名称
DRAINAGE DEVICE
摘要
申请公布号
KR800002000(Y1)
申请公布日期
1980.12.12
申请号
KR19790007829U
申请日期
1979.12.28
申请人
HAN HONG SEOK
发明人
HAN HONG SEOK
分类号
E03F3/06;(IPC1-7):E03F3/06
主分类号
E03F3/06
代理机构
代理人
主权项
地址
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