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经营范围
发明名称
A MECHANICAL SEAL
摘要
申请公布号
GB2230307(B)
申请公布日期
1991.03.13
申请号
GB19900005052
申请日期
1990.03.06
申请人
* FLEXIBOX LIMITED
发明人
JOHN ANTHONY * KNIGHT
分类号
F16J15/34;F16J15/36;(IPC1-7):F16J15/36
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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