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发明名称
Rotary pivoted hammer
摘要
申请公布号
US1753473(A)
申请公布日期
1930.04.08
申请号
US19280261471
申请日期
1928.03.14
申请人
ILLINOIS STOKER COMPANY
发明人
POLSTER JOHN P.
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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