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发明名称
Apparatus for treating pistons
摘要
申请公布号
US2184680(A)
申请公布日期
1939.12.26
申请号
US19380241519
申请日期
1938.11.21
申请人
SEALED POWER CORPORATION
发明人
OLSON HOLLY M.
分类号
B23P6/02
主分类号
B23P6/02
代理机构
代理人
主权项
地址
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