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发明名称
BUTTON BIT GRINDING SYSTEM
摘要
申请公布号
AU601284(B2)
申请公布日期
1990.09.06
申请号
AU19880016951
申请日期
1988.06.01
申请人
CME BLASTING & MINING EQUIP
发明人
KALLEVI KEIJO MANQVIST
分类号
B24B3/33;B24B11/00;(IPC1-7):B24B3/33
主分类号
B24B3/33
代理机构
代理人
主权项
地址
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