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经营范围
发明名称
Improvements in or relating to shoring devices for sewers, trenches and pits in the ground
摘要
申请公布号
GB758527(A)
申请公布日期
1956.10.03
申请号
GB19530026641
申请日期
1953.09.28
申请人
JOHNSTON BROTHERS (CONTRACTORS) LIMITED;ARTHUR BERNARD BONE
发明人
分类号
E02D17/08
主分类号
E02D17/08
代理机构
代理人
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地址
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