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发明名称
Machine for splitting piston rings
摘要
申请公布号
US2433576(A)
申请公布日期
1947.12.30
申请号
US19460658816
申请日期
1946.04.01
申请人
SEALED POWER CORPORATION
发明人
OLSON HOLLY M.
分类号
B23D45/00
主分类号
B23D45/00
代理机构
代理人
主权项
地址
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