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发明名称
DRAINAGE TRAP COVER
摘要
申请公布号
KR930004968(Y1)
申请公布日期
1993.07.26
申请号
KR19910010291U
申请日期
1991.07.04
申请人
CHOE, HYUN - KYU
发明人
CHOE, HYUN - KYU
分类号
E03C1/22;E03F3/04;(IPC1-7):E03C1/22
主分类号
E03C1/22
代理机构
代理人
主权项
地址
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