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发明名称
MECHANICAL FACE SEALS
摘要
申请公布号
GB9008343(D0)
申请公布日期
1990.06.13
申请号
GB19900008343
申请日期
1990.04.12
申请人
JOHN CRANE UK LIMITED
发明人
分类号
F16J3/04;F16J15/36
主分类号
F16J3/04
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代理人
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