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发明名称
APPARATUS FOR TREATING GRANULAR MATERIAL
摘要
申请公布号
US3825190(A)
申请公布日期
1974.07.23
申请号
US19730332415
申请日期
1973.02.14
申请人
NAT ENG CO,US
发明人
KAUFFMAN J,US
分类号
B07B7/04;B22C3/02;B22C5/10;(IPC1-7):B02C19/06
主分类号
B07B7/04
代理机构
代理人
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