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发明名称
METHOD OF CRUSHING BASE ROCK
摘要
申请公布号
JPS6053800(A)
申请公布日期
1985.03.27
申请号
JP19830160508
申请日期
1983.09.02
申请人
MITSUBISHI JUKOGYO KK
发明人
ASADA KAZUO;WADA KOU
分类号
E21C37/14;E21C37/12;F42B1/02;F42B3/08;F42D3/04
主分类号
E21C37/14
代理机构
代理人
主权项
地址
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