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发明名称
PISTON RING
摘要
申请公布号
GB9009658(D0)
申请公布日期
1990.06.20
申请号
GB19900009658
申请日期
1990.04.30
申请人
BORGO-NOVA SPA
发明人
分类号
F02F5/00;F04B39/00;F16J9/06;F16J9/20
主分类号
F02F5/00
代理机构
代理人
主权项
地址
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