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经营范围
发明名称
MECHANICAL FACE SEALS
摘要
申请公布号
GB8909289(D0)
申请公布日期
1989.06.07
申请号
GB19890009289
申请日期
1989.04.24
申请人
JOHN CRANE UK LIMITED
发明人
分类号
F16J3/04;F16J15/36
主分类号
F16J3/04
代理机构
代理人
主权项
地址
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