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发明名称
Dean valve
摘要
申请公布号
GB9421242(D0)
申请公布日期
1994.12.07
申请号
GB19940021242
申请日期
1994.10.21
申请人
DEAN, EVELYN S;DEAN, ALAN W
发明人
分类号
主分类号
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代理人
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