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发明名称
CARD INDEX, ECHELON TYPE
摘要
申请公布号
CA510074(A)
申请公布日期
1955.02.15
申请号
CAD510074
申请日期
申请人
MARIUS DEN OUTER
发明人
MARIUS DEN OUTER
分类号
主分类号
代理机构
代理人
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