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发明名称
A method of moulding hollow concrete beams and similar hollow concrete structures
摘要
申请公布号
GB777222(A)
申请公布日期
1957.06.19
申请号
GB19530031946
申请日期
1953.11.18
申请人
ECROFNIER & PARTNERS LIMITED
发明人
SIMS LESLIE JAMES
分类号
B28B7/18
主分类号
B28B7/18
代理机构
代理人
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