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发明名称
A SEAL
摘要
申请公布号
GB2206669(B)
申请公布日期
1991.01.16
申请号
GB19880015701
申请日期
1988.07.01
申请人
JOHANNES HENDRIKUS BRAND * JOUBERT
发明人
JOHANNES HENDRIKUS BRAND * JOUBERT
分类号
F16J9/16
主分类号
F16J9/16
代理机构
代理人
主权项
地址
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