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经营范围
发明名称
Surfacing machine
摘要
申请公布号
US2381833(A)
申请公布日期
1945.08.07
申请号
US19420455264
申请日期
1942.08.18
申请人
HAMILTON WATCH COMPANY
发明人
MENTZER RALPH BENDER
分类号
B24B9/16
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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