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发明名称
摘要
申请公布号
GB1228280(A)
申请公布日期
1971.04.15
申请号
GBD1228280
申请日期
1969.05.14
申请人
发明人
分类号
G06F3/16;H01H13/84
主分类号
G06F3/16
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