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发明名称
IMPROVEMENTS IN PISTON RINGS AND SEALS
摘要
申请公布号
GB9006734(D0)
申请公布日期
1990.05.23
申请号
GB19900006734
申请日期
1990.03.28
申请人
SUGDEN, KEITH C
发明人
分类号
F02F3/00;F16J1/00;F16J1/02;F16J1/08;F16J1/14;F16J1/24;F16J9/04;F16J9/24
主分类号
F02F3/00
代理机构
代理人
主权项
地址
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