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发明名称
Pulverizing chain hammer
摘要
申请公布号
US2718741(A)
申请公布日期
1955.09.27
申请号
US19540445285
申请日期
1954.07.23
申请人
J. I. CASE COMPANY
发明人
MELDAHL WALDEMAR J.
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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