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发明名称
Seal
摘要
申请公布号
GB0406755(D0)
申请公布日期
2004.04.28
申请号
GB20040006755
申请日期
2004.03.26
申请人
BOC GROUP, THE PLC
发明人
分类号
F04C18/12;F04C23/00;F04C27/00;F16J15/08
主分类号
F04C18/12
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