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发明名称
Improvements in or relating to impact hammer mills
摘要
申请公布号
GB682785(A)
申请公布日期
1952.11.19
申请号
GB19490033050
申请日期
1949.12.24
申请人
DAVID RONALD TULLIS
发明人
分类号
B02C13/286
主分类号
B02C13/286
代理机构
代理人
主权项
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