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发明名称
ROCK CRUSHING APPARATUS
摘要
申请公布号
CA815509(A)
申请公布日期
1969.06.17
申请号
CAD815509
申请日期
申请人
HARSCO CORPORATION
发明人
HAROLD J. MILLER
分类号
主分类号
代理机构
代理人
主权项
地址
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