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经营范围
发明名称
Railway sleepers and other articles made of pre-stressed reinforced concrete, and a method of and apparatus for manufacturing such parts
摘要
申请公布号
GB629872(A)
申请公布日期
1949.09.29
申请号
GB19470034176
申请日期
1947.12.24
申请人
EUGENE FREYSSINET
发明人
分类号
B28B23/06;E01B3/34
主分类号
B28B23/06
代理机构
代理人
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地址
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