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经营范围
发明名称
A SOIL PIPE AND DRAINPIPE COVER FOR REDUCING NOISE
摘要
申请公布号
KR200195026(Y1)
申请公布日期
2000.09.01
申请号
KR20000008617U
申请日期
2000.03.27
申请人
YOUNGBO CHEMICAL CO., LTD.
发明人
YOUN, GU HEUM;KIM, TAE SIK
分类号
F16L55/00;F16L58/00;(IPC1-7):F16L55/00
主分类号
F16L55/00
代理机构
代理人
主权项
地址
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