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发明名称
Card punching machines for multisection cards
摘要
申请公布号
US2933134(A)
申请公布日期
1960.04.19
申请号
US19580739864
申请日期
1958.06.04
申请人
BRUNSVIGA MASCHINENWERKE AKTIENGESELLSCHAFT
发明人
BUCHNER FRANK
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主分类号
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