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经营范围
发明名称
A SHAFT SEAL
摘要
申请公布号
GB9116275(D0)
申请公布日期
1991.09.11
申请号
GB19910016275
申请日期
1991.07.27
申请人
DOWTY SEALS LIMITED
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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