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发明名称
TICKET-ISSUING MACHINE
摘要
申请公布号
CA317273(A)
申请公布日期
1931.11.17
申请号
CAD317273
申请日期
申请人
THE HALL TELEPHONE ACCESSORIES (1928) LIMITED
发明人
FREDERICK WILLIAM HALL
分类号
主分类号
代理机构
代理人
主权项
地址
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