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发明名称
摘要
申请公布号
GB1296876(A)
申请公布日期
1972.11.22
申请号
GBD1296876
申请日期
1970.04.29
申请人
发明人
分类号
F24F3/14;H02H11/00
主分类号
F24F3/14
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代理人
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地址
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