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发明名称
Sliding seal assemblies
摘要
申请公布号
US3316940(A)
申请公布日期
1967.05.02
申请号
US19640378901
申请日期
1964.06.29
申请人
LOUIS GRATZMULLER JEAN
发明人
GRATZMULLER JEAN LOUIS
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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