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发明名称
Perfectionnements apportés à des soupapes ou vannes
摘要
申请公布号
FR1280281(A)
申请公布日期
1961.12.29
申请号
FR19610852067
申请日期
1961.02.08
申请人
ISTAG A. G.
发明人
分类号
F16K1/36
主分类号
F16K1/36
代理机构
代理人
主权项
地址
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