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经营范围
发明名称
MANHOLE CHAMBER FOR A PIPE DRAINAGE SYSTEM
摘要
申请公布号
GB1533408(A)
申请公布日期
1978.11.22
申请号
GB19750049884
申请日期
1975.12.04
申请人
GLOVER T
发明人
分类号
E02D29/12;(IPC1-7):E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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