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发明名称
COUNTERROTATING REFINER
摘要
申请公布号
US3625441(A)
申请公布日期
1971.12.07
申请号
USD3625441
申请日期
1969.09.29
申请人
BELOIT CORP.
发明人
MARTIN O. SALTARELLI;ALEXANDER D. CORMACK;CHARLES ORNSTEIN
分类号
D21D1/30;(IPC1-7):B02C7/06;B02C7/14;B02C25/00
主分类号
D21D1/30
代理机构
代理人
主权项
地址
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