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经营范围
发明名称
Improved moulding apparatus for forming pipes or other cylindrical bodies of concrete or like material
摘要
申请公布号
GB658548(A)
申请公布日期
1951.10.10
申请号
GB19490007950
申请日期
1949.03.23
申请人
ROCLA LIMITED
发明人
分类号
B28B21/24
主分类号
B28B21/24
代理机构
代理人
主权项
地址
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