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发明名称
Container for punched cards
摘要
申请公布号
GB1019690(A)
申请公布日期
1966.02.09
申请号
GB19640045253
申请日期
1964.11.06
申请人
WILHELM LUDWIG
发明人
分类号
G06K21/04
主分类号
G06K21/04
代理机构
代理人
主权项
地址
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