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发明名称
PISTON RINGS
摘要
申请公布号
GB2226099(A)
申请公布日期
1990.06.20
申请号
GB19890026717
申请日期
1989.11.27
申请人
* HEPWORTH & GRANDAGE LIMITED
发明人
ROBERT * PLANT
分类号
F02F5/00;B21D7/08;B21D11/14;B21D53/16;B21D53/84;B23P15/06;F16J9/20
主分类号
F02F5/00
代理机构
代理人
主权项
地址
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