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发明名称
DRAINAGE PIPE JOINT
摘要
申请公布号
KR910006118(Y1)
申请公布日期
1991.08.17
申请号
KR19870015701U
申请日期
1987.09.15
申请人
AN BYUNG-HUN
发明人
AN BYUNG-HUN
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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