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发明名称
TICKET ISSUING MACHINE
摘要
申请公布号
CA509648(A)
申请公布日期
1955.02.01
申请号
CAD509648
申请日期
申请人
AUTOMATIC ELECTRIC LABORATORIES
发明人
LEITH JOHNSTON;EDWIN C. COULOMBE, JR.
分类号
主分类号
代理机构
代理人
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