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发明名称
Statistical record card data conversion apparatus
摘要
申请公布号
GB728272(A)
申请公布日期
1955.04.13
申请号
GB19530011348
申请日期
1953.04.24
申请人
WARREN PHILIP BURRELL;ARNOLD A. COHEN;GEORGE ADAMS HARDENBERGH
发明人
分类号
G06F3/08
主分类号
G06F3/08
代理机构
代理人
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地址
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