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发明名称
Perfectionnements aux joints étanches aux fluides
摘要
申请公布号
FR934471(A)
申请公布日期
1948.05.24
申请号
FRD934471
申请日期
1946.10.11
申请人
发明人
STEWART JOHN HAROLD FREEMAN
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
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