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发明名称
Sequential inspection recorder
摘要
申请公布号
US2530351(A)
申请公布日期
1950.11.14
申请号
US19480065477
申请日期
1948.12.15
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
FALES FORREST G.
分类号
G07C3/14
主分类号
G07C3/14
代理机构
代理人
主权项
地址
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