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经营范围
发明名称
Grinding apparatus
摘要
申请公布号
US2847802(A)
申请公布日期
1958.08.19
申请号
US19540416541
申请日期
1954.03.16
申请人
BRYAN JR WILLIAM CECIL
发明人
JR. WILLIAM CECIL BRYAN,
分类号
B24B9/00
主分类号
B24B9/00
代理机构
代理人
主权项
地址
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