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发明名称
Improvements relating to sheet piling
摘要
申请公布号
GB353341(A)
申请公布日期
1931.07.23
申请号
GB19300032015
申请日期
1930.10.24
申请人
FRIEDRICH ENNO BECKER
发明人
分类号
E02D5/04
主分类号
E02D5/04
代理机构
代理人
主权项
地址
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