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发明名称
Grinding mills
摘要
申请公布号
US2895689(A)
申请公布日期
1959.07.21
申请号
US19560579225
申请日期
1956.04.19
申请人
WILFRED EDWARDS GEORGE;JOSEPH SEVIN ROGER
发明人
EDWARDS GEORGE WILFRED;SEVIN ROGER JOSEPH
分类号
B02C7/17
主分类号
B02C7/17
代理机构
代理人
主权项
地址
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