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发明名称
Reinforced-concrete gutter element
摘要
申请公布号
GB2234001(B)
申请公布日期
1993.03.24
申请号
GB19900014694
申请日期
1990.07.03
申请人
* PREFAEST
发明人
GERARD * CORBERANT
分类号
E01C11/22
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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