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发明名称
Lapping tool
摘要
申请公布号
US1924865(A)
申请公布日期
1933.08.29
申请号
US19270189933
申请日期
1927.05.09
申请人
MICROMATIC HONE CORPORATION
发明人
KOWALSKI JOSEPH B.
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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