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发明名称
Method and apparatus for size reduction
摘要
申请公布号
US2331172(A)
申请公布日期
1943.10.05
申请号
US19410406713
申请日期
1941.08.13
申请人
SULLIVAN MACHINERY COMPANY
发明人
BUTLER ROBERT S.
分类号
B02C17/02
主分类号
B02C17/02
代理机构
代理人
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地址
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