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经营范围
发明名称
DRAINAGE DEVICE
摘要
申请公布号
GB2217364(B)
申请公布日期
1992.04.08
申请号
GB19890007320
申请日期
1989.03.31
申请人
* BALLANTINE BO'NESS IRON CO. LTD
发明人
DUNCAN WHYTE * PROVAN;JOHN WATSON * CRIGHTON
分类号
E01C11/22
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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