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发明名称
Expansible honing tool
摘要
申请公布号
US2419067(A)
申请公布日期
1947.04.15
申请号
US19440560948
申请日期
1944.10.30
申请人
MARIO MARIN
发明人
GAZOLAS JACK
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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