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发明名称
RECORD CARD TO FILM AND FILM TO CARD MACHINE
摘要
申请公布号
CA540922(A)
申请公布日期
1957.05.14
申请号
CAD540922
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
ROBERT I. ROTH
分类号
主分类号
代理机构
代理人
主权项
地址
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