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发明名称
MECHANICAL SEALS
摘要
申请公布号
GB9121570(D0)
申请公布日期
1991.11.27
申请号
GB19910021570
申请日期
1991.10.10
申请人
AES ENGINEERING LIMITED
发明人
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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