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经营范围
发明名称
Reinforced concrete piles
摘要
申请公布号
GB511399(A)
申请公布日期
1939.08.17
申请号
GB19380024713
申请日期
1938.08.22
申请人
ERIC FRANK BUTTRESS
发明人
分类号
E02D5/10;E02D5/30
主分类号
E02D5/10
代理机构
代理人
主权项
地址
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