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经营范围
发明名称
VERTICAL DRAINAGE DEVICE
摘要
申请公布号
US5190404(A)
申请公布日期
1993.03.02
申请号
US19910711319
申请日期
1991.06.06
申请人
MITSUI PETROCHEMICAL INDUSTRIAL PRODUCTS LTD.;MITSUI PETROCHEMICAL INDUSTRIES, LTD.
发明人
KIYOKAWA, NOBUO;NISHIMURA, JUN
分类号
E02B11/00;E02D3/10
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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