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发明名称
Perfectionnements apportés aux vannes, notamment aux vannes électro-magnétiques
摘要
申请公布号
FR1277797(A)
申请公布日期
1961.12.01
申请号
FR19610850005
申请日期
1961.01.18
申请人
RANCO INCORPORATED
发明人
分类号
F16K31/06
主分类号
F16K31/06
代理机构
代理人
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