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发明名称
SEALS
摘要
申请公布号
GB9003764(D0)
申请公布日期
1990.04.18
申请号
GB19900003764
申请日期
1990.02.20
申请人
JOHN CRANE UK LIMITED
发明人
分类号
F16J15/18;F16J15/00;F16J15/16;F16J15/32;F16J15/54
主分类号
F16J15/18
代理机构
代理人
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地址
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