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经营范围
发明名称
Buffer wheel
摘要
申请公布号
US1946630(A)
申请公布日期
1934.02.13
申请号
US19320587139
申请日期
1932.01.16
申请人
ALEXANDER LEVETT
发明人
LEVETT ALEXANDER
分类号
B24D13/08
主分类号
B24D13/08
代理机构
代理人
主权项
地址
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