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发明名称
Perfectionnements aux clapets
摘要
申请公布号
FR984481(A)
申请公布日期
1951.07.06
申请号
FRD984481
申请日期
1943.10.04
申请人
发明人
UCHARD PAUL-GEORGES-ELIE-JE
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
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