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发明名称
Perfectionnements aux dispositifs d'étanchéité pour appareils à fluide sous pression
摘要
申请公布号
FR1019964(A)
申请公布日期
1953.01.30
申请号
FRD1019964
申请日期
1950.05.31
申请人
LEVITATION LIMITED
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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地址
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