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发明名称
Apparatus for registering pulses
摘要
申请公布号
US2775726(A)
申请公布日期
1956.12.25
申请号
US19510254242
申请日期
1951.11.01
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
KROES JAN LOUIS DE;HEETMAN ALPHONSUS
分类号
H03K23/74;H04Q3/00
主分类号
H03K23/74
代理机构
代理人
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地址
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