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发明名称
Selective sequence electronic calculator
摘要
申请公布号
US2636672(A)
申请公布日期
1953.04.28
申请号
US19490071642
申请日期
1949.01.19
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HAMILTON FRANCIS E.;JR. ROBERT R. SEEBER,;ROWLEY RUSSELL A.;JR. ERNEST S. HUGHES,
分类号
G06F7/498;G06F7/52;G11C19/20
主分类号
G06F7/498
代理机构
代理人
主权项
地址
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