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发明名称
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摘要
申请公布号
GB1329965(A)
申请公布日期
1973.09.12
申请号
GBD1329965
申请日期
1970.08.27
申请人
BURROUGHS CORPORATION
发明人
分类号
G07F7/02;G07F7/08;G07F7/12;G07F19/00;(IPC1-7):G07F7/02;G07F11/12
主分类号
G07F7/02
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代理人
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