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经营范围
发明名称
REINFORCED CONCRETE PIPES
摘要
申请公布号
GB1212849(A)
申请公布日期
1970.11.18
申请号
GB19670053876
申请日期
1967.11.27
申请人
HALMSTADS JARNVERKS AB
发明人
分类号
B28B23/14
主分类号
B28B23/14
代理机构
代理人
主权项
地址
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