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经营范围
发明名称
A vertical drain
摘要
申请公布号
SG76511(A1)
申请公布日期
2000.11.21
申请号
SG19970001114
申请日期
1997.04.10
申请人
RASWILL REPRESENTATIVE PTE LTD
发明人
SANDANASAMY RICHARD DOUGLAS
分类号
E02D3/02;E02B11/00;E02D3/10;E02D3/11;(IPC1-7):E02D3/11;E04B1/70
主分类号
E02D3/02
代理机构
代理人
主权项
地址
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