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经营范围
发明名称
UNDERDRAINAGE PIPE
摘要
申请公布号
KR910002886(B1)
申请公布日期
1991.05.09
申请号
KR19870001272
申请日期
1987.02.17
申请人
YAMAMOTO AKIO
发明人
YAMAMOTO AKIO
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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