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发明名称
ROCK CRUSHER
摘要
申请公布号
JPS5555799(A)
申请公布日期
1980.04.23
申请号
JP19790131950
申请日期
1979.10.15
申请人
CHENEY ALWYN HALLEY
发明人
ORUUEN HARII KENII
分类号
E21C37/06;E21C37/12
主分类号
E21C37/06
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