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发明名称
Improvements in the method of manufacturing reinforced concrete posts, beams or pipes and in apparatus therefor
摘要
申请公布号
GB681354(A)
申请公布日期
1952.10.22
申请号
GB19490006214
申请日期
1949.03.08
申请人
RALPH WHITEHEAD
发明人
分类号
B28B7/10;B28B23/18
主分类号
B28B7/10
代理机构
代理人
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