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发明名称
Expander for piston rings
摘要
申请公布号
US2535597(A)
申请公布日期
1950.12.26
申请号
US19480058832
申请日期
1948.11.08
申请人
HASTINGS MANUFACTURING COMPANY
发明人
PHILLIPS HAROLD P.
分类号
F16J9/06;F16J9/14
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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