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经营范围
发明名称
MANHOLES AND INSPECTION CHAMBERS
摘要
申请公布号
GB9216832(D0)
申请公布日期
1992.10.07
申请号
GB19920016832
申请日期
1992.08.07
申请人
CASWICK DEVELOPMENTS LIMITED
发明人
分类号
B28B21/56;B28B23/00;E06C9/04
主分类号
B28B21/56
代理机构
代理人
主权项
地址
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