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发明名称
Hammer for impact pulverizers
摘要
申请公布号
US2152332(A)
申请公布日期
1939.03.28
申请号
US19370130223
申请日期
1937.03.11
申请人
SMITH FORREST E
发明人
SMITH FORREST E.
分类号
B02C13/28
主分类号
B02C13/28
代理机构
代理人
主权项
地址
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