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发明名称
Die lapping machine
摘要
申请公布号
US1826347(A)
申请公布日期
1931.10.06
申请号
US19300504260
申请日期
1930.12.23
申请人
WILLIAM HADDOW
发明人
HADDOW WILLIAM
分类号
B24B5/48
主分类号
B24B5/48
代理机构
代理人
主权项
地址
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