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发明名称
Tabulation paper runout warning switch
摘要
申请公布号
US2512158(A)
申请公布日期
1950.06.20
申请号
US19460677672
申请日期
1946.06.19
申请人
JONES SR JOHN TALBERT
发明人
SR. JOHN TALBERT JONES,
分类号
G06K13/24
主分类号
G06K13/24
代理机构
代理人
主权项
地址
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