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发明名称
Rock crusher
摘要
申请公布号
US3118623(A)
申请公布日期
1964.01.21
申请号
US19610150616
申请日期
1961.11.02
申请人
JOHNSON LOUIS W
发明人
JOHNSON LOUIS W.
分类号
B02C2/04
主分类号
B02C2/04
代理机构
代理人
主权项
地址
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