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经营范围
发明名称
Rockbolt assemblies
摘要
申请公布号
GB9706264(D0)
申请公布日期
1997.05.14
申请号
GB19970006264
申请日期
1997.03.26
申请人
WELDGRIP LIMITED
发明人
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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