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发明名称
Plural armature electromagnetic counting device
摘要
申请公布号
US2538819(A)
申请公布日期
1951.01.23
申请号
US19480048008
申请日期
1948.09.07
申请人
KELLOGG SWITCHBOARD AND SUPPLY COMPANY
发明人
BELLAMY JOHN I.
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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