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发明名称
Apparatus for fitting the ends of piston rings
摘要
申请公布号
US1916783(A)
申请公布日期
1933.07.04
申请号
US19310575630
申请日期
1931.11.17
申请人
DANIELS CHARLES E
发明人
DANIELS CHARLES E.
分类号
B24B7/16
主分类号
B24B7/16
代理机构
代理人
主权项
地址
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