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发明名称
ODOR PREVENTING DEVICE FOR DRAINAGE PIPE
摘要
申请公布号
KR780000762(Y1)
申请公布日期
1978.07.31
申请号
KR19770000126U
申请日期
1977.01.11
申请人
YUN KI CHANG
发明人
YUN KI CHANG
分类号
主分类号
代理机构
代理人
主权项
地址
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