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经营范围
发明名称
Gun hone
摘要
申请公布号
US2657507(A)
申请公布日期
1953.11.03
申请号
US19520273205
申请日期
1952.02.25
申请人
SEYMOUR CLARK E
发明人
SEYMOUR CLARK E.
分类号
B24B33/08
主分类号
B24B33/08
代理机构
代理人
主权项
地址
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