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发明名称
Device for compressing piston rings and cleaning grooves
摘要
申请公布号
US1979767(A)
申请公布日期
1934.11.06
申请号
US19320632564
申请日期
1932.09.10
申请人
WALD MANUFACTURING COMPANY
发明人
PAWSAT RUBEN L.
分类号
B25B27/12;F02B77/04
主分类号
B25B27/12
代理机构
代理人
主权项
地址
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