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发明名称
DEVICE FOR BRANCHING LOCAL PIPE FROM MAIN PIPE SYSTEM
摘要
申请公布号
KR910001722(Y1)
申请公布日期
1991.03.22
申请号
KR19870016332U
申请日期
1987.09.24
申请人
RYU DAE-YOL
发明人
OH JIN-YOUNG
分类号
E03B7/07;(IPC1-7):E03B7/07
主分类号
E03B7/07
代理机构
代理人
主权项
地址
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