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发明名称
Improvements relating to the counting of electrical impulses
摘要
申请公布号
GB471987(A)
申请公布日期
1937.09.15
申请号
GB19360010536
申请日期
1936.04.09
申请人
SIEMENS BROTHERS & CO. LIMITED;HORACE EDGAR HUMPHRIES
发明人
分类号
H03K23/74
主分类号
H03K23/74
代理机构
代理人
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地址
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