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发明名称
Improvements in and relating to packing ring arrangements for combustion engine pistons
摘要
申请公布号
GB656463(A)
申请公布日期
1951.08.22
申请号
GB19470033847
申请日期
1947.12.22
申请人
SOCIETE ANONYME ALLIANCE EUROPEENNE
发明人
分类号
F16J9/00
主分类号
F16J9/00
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代理人
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