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发明名称
摘要
申请公布号
NL6919252(A)
申请公布日期
1970.06.25
申请号
NL19690019252
申请日期
1969.12.22
申请人
发明人
分类号
G06C23/00;A23L3/10;G06C15/04;G06C21/04;(IPC1-7):G06C21/00;G06C15/00
主分类号
G06C23/00
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代理人
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