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发明名称
Trough lid connecting system
摘要
申请公布号
GB9721509(D0)
申请公布日期
1997.12.10
申请号
GB19970021509
申请日期
1997.10.11
申请人
H GORDON & CO LIMITED;RMC CONCRETE PRODUCTS LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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