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发明名称
Code detecting means
摘要
申请公布号
US2391369(A)
申请公布日期
1945.12.18
申请号
US19420452902
申请日期
1942.07.30
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
VOLZ CARL
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
主权项
地址
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