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经营范围
发明名称
Improvements in or relating to implements for use in clearing or cleaning drains andditches
摘要
申请公布号
GB779606(A)
申请公布日期
1957.07.24
申请号
GB19540024764
申请日期
1954.08.25
申请人
BRUCE BUCHANAN DONALD
发明人
DONALD BRUCE BUCHANAN;NEIL JACK ROY
分类号
E02F5/02
主分类号
E02F5/02
代理机构
代理人
主权项
地址
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