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发明名称
Improvements in the production of pre-stressed reinforced concrete sleepers and similar beams
摘要
申请公布号
GB572385(A)
申请公布日期
1945.10.05
申请号
GB19430005661
申请日期
1943.04.08
申请人
DOWSETT ENGINEERING CONSTRUCTION LIMITED;RONALD SAMUEL VERNON BARBER
发明人
分类号
B28B23/06
主分类号
B28B23/06
代理机构
代理人
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地址
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