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发明名称
Perfectionnements aux joints d'étanchéité, notamment pour des fours de réduction et de distillation
摘要
申请公布号
FR1486476(A)
申请公布日期
1967.06.30
申请号
FR19666947256
申请日期
1966.05.09
申请人
发明人
DAVID FRANCOIS;DAVID JEAN
分类号
C22B19/16
主分类号
C22B19/16
代理机构
代理人
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地址
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