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发明名称
Counting and dividing circuit
摘要
申请公布号
US2822979(A)
申请公布日期
1958.02.11
申请号
US19540469582
申请日期
1954.11.18
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
SOUTHARD CARL D.
分类号
C07C409/20;G06F11/10;H03K23/82
主分类号
C07C409/20
代理机构
代理人
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地址
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