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发明名称
APPARATUS FOR BREAKING MINERAL DEPOSITS
摘要
申请公布号
GB8315188(D0)
申请公布日期
1983.07.06
申请号
GB19830015188
申请日期
1983.06.02
申请人
MECSEKI SZENBANYAK
发明人
分类号
E21F9/00;E21C41/18;F42B3/00;F42D5/04;(IPC1-7):E21B/
主分类号
E21F9/00
代理机构
代理人
主权项
地址
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