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发明名称
PREFABRICATED REINFORCED CONCRETE SUBWAY IN PARTICULAR FOR HEAT SUPPLY PIPELINE
摘要
申请公布号
PL130649(B2)
申请公布日期
1984.08.31
申请号
PL19820237819
申请日期
1982.08.05
申请人
发明人
分类号
E02D;E04C;(IPC1-7):E02D29/10
主分类号
E02D
代理机构
代理人
主权项
地址
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