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经营范围
发明名称
DRAINAGE TRAP
摘要
申请公布号
KR930008417(Y1)
申请公布日期
1993.12.22
申请号
KR19910017195U
申请日期
1991.10.14
申请人
CHOE, BYONG - SOK
发明人
CHOE, BYONG - SOK
分类号
E03C1/122;E03F3/04;(IPC1-7):E03F3/04
主分类号
E03C1/122
代理机构
代理人
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