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经营范围
发明名称
Centerless grinding machine
摘要
申请公布号
US1779618(A)
申请公布日期
1930.10.28
申请号
US19270237464
申请日期
1927.12.03
申请人
PHELPS JAMES A
发明人
PHELPS JAMES A.
分类号
B24B5/18
主分类号
B24B5/18
代理机构
代理人
主权项
地址
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