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发明名称
SAND-MULLING APPARATUS
摘要
申请公布号
US3602442(A)
申请公布日期
1971.08.31
申请号
USD3602442
申请日期
1970.03.13
申请人
PETTIBONE CORP.
发明人
CLIFFORD E. WENNINGER
分类号
B02C15/08;B22C5/04;(IPC1-7):B02C15/00;B02C23/00
主分类号
B02C15/08
代理机构
代理人
主权项
地址
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