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经营范围
发明名称
Perfectionnement apporté aux segments de pistons
摘要
申请公布号
FR1191687(A)
申请公布日期
1959.10.21
申请号
FRD1191687
申请日期
1958.02.18
申请人
发明人
ROMET PIERRE
分类号
F16J9/20
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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