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发明名称
SECTIONAL GAS DIFFUSER
摘要
申请公布号
GB9025307(D0)
申请公布日期
1991.01.02
申请号
GB19900025307
申请日期
1990.11.21
申请人
A.K. & E.M. CAMPBELL TRUST
发明人
分类号
主分类号
代理机构
代理人
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