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发明名称
DRAINAGE DEVICE
摘要
申请公布号
EP0460956(A3)
申请公布日期
1992.12.02
申请号
EP19910305126
申请日期
1991.06.06
申请人
MITSUI PETROCHEMICAL INDUSTRIES, LTD.;MITSUI PETROCHEMICAL INDUSTRIAL PRODUCTS LIMITED
发明人
KIYOKAWA, NOBUO;NISHIMURA, JUN
分类号
E02B11/00;E02D3/10;(IPC1-7):E02B11/00;E02D31/02
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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