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经营范围
发明名称
MINERAL CUTTER PICK BOXES
摘要
申请公布号
GB9017070(D0)
申请公布日期
1990.09.19
申请号
GB19900017070
申请日期
1990.08.03
申请人
TOOL & STEEL PRODUCTS LIMITED
发明人
分类号
E21C35/187
主分类号
E21C35/187
代理机构
代理人
主权项
地址
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